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Delafontaine A, Vialleron T, Barbier G, Lardon A, Barrière M, García-Escudero M, Fabeck L, Descarreaux M. Effects of Manual Therapy on Parkinson's Gait: A Systematic Review. SENSORS (BASEL, SWITZERLAND) 2024; 24:354. [PMID: 38257446 PMCID: PMC10820786 DOI: 10.3390/s24020354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 12/28/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024]
Abstract
Manual therapy (MT) is commonly used in rehabilitation to deal with motor impairments in Parkinson's disease (PD). However, is MT an efficient method to improve gait in PD? To answer the question, a systematic review of clinical controlled trials was conducted. Estimates of effect sizes (reported as standard mean difference (SMD)) with their respective 95% confidence interval (95% CI) were reported for each outcome when sufficient data were available. If data were lacking, p values were reported. The PEDro scale was used for the quality assessment. Three studies were included in the review. MT improved Dynamic Gait Index (SMD = 1.47; 95% CI: 0.62, 2.32; PEDro score: 5/10, moderate level of evidence). MT also improved gait performances in terms of stride length, velocity of arm movements, linear velocities of the shoulder and the hip (p < 0.05; PEDro score: 2/10, limited level of evidence). There was no significant difference between groups after MT for any joint's range of motion during gait (p > 0.05; PEDro score: 6/10, moderate level of evidence). There is no strong level of evidence supporting the beneficial effect of MT to improve gait in PD. Further randomized controlled trials are needed to understand the impact of MT on gait in PD.
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Affiliation(s)
- Arnaud Delafontaine
- Department of Orthopedic Surgery, Université Libre de Bruxelles, 1050 Bruxelles, Belgium;
- Department of Sciences of Physical Activity, Université Québec Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.B.); (M.D.)
| | - Thomas Vialleron
- Laboratoire Interdisciplinaire en Neurosciences, Physiologie et Psychologie: Activité Physique, Santé et Apprentissages (LINP2), UFR STAPS, Université Paris Nanterre, 92000 Nanterre, France;
| | - Gaëtan Barbier
- Institut Franco-Européen de Chiropraxie, 94200 Ivry-sur-Seine, France; (G.B.); (A.L.)
- Complexité, Innovation, Activités Motrices et Sportives (CIAMS) Laboratory, Université Paris-Saclay, CEDEX 91405 Orsay, France
- Complexité, Innovation, Activités Motrices et Sportives (CIAMS) Laboratory, Université d’Orléans, 45067 Orléans, France
| | - Arnaud Lardon
- Institut Franco-Européen de Chiropraxie, 94200 Ivry-sur-Seine, France; (G.B.); (A.L.)
| | - Mélodie Barrière
- Department of Sciences of Physical Activity, Université Québec Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.B.); (M.D.)
| | - María García-Escudero
- Faculté de Médecine et des Sciences de la Santé, Université Catholique de Valence, San Vicente Martir, 46900 Valence, Spain;
| | - Laurent Fabeck
- Department of Orthopedic Surgery, Université Libre de Bruxelles, 1050 Bruxelles, Belgium;
| | - Martin Descarreaux
- Department of Sciences of Physical Activity, Université Québec Trois-Rivières, Trois-Rivières, QC G9A 5H7, Canada; (M.B.); (M.D.)
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Palmisano C, Beccaria L, Haufe S, Volkmann J, Pezzoli G, Isaias IU. Gait Initiation Impairment in Patients with Parkinson's Disease and Freezing of Gait. Bioengineering (Basel) 2022; 9:639. [PMID: 36354550 PMCID: PMC9687939 DOI: 10.3390/bioengineering9110639] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/14/2022] [Accepted: 10/15/2022] [Indexed: 08/03/2023] Open
Abstract
Freezing of gait (FOG) is a sudden episodic inability to produce effective stepping despite the intention to walk. It typically occurs during gait initiation (GI) or modulation and may lead to falls. We studied the anticipatory postural adjustments (imbalance, unloading, and stepping phase) at GI in 23 patients with Parkinson's disease (PD) and FOG (PDF), 20 patients with PD and no previous history of FOG (PDNF), and 23 healthy controls (HCs). Patients performed the task when off dopaminergic medications. The center of pressure (CoP) displacement and velocity during imbalance showed significant impairment in both PDNF and PDF, more prominent in the latter patients. Several measurements were specifically impaired in PDF patients, especially the CoP displacement along the anteroposterior axis during unloading. The pattern of segmental center of mass (SCoM) movements did not show differences between groups. The standing postural profile preceding GI did not correlate with outcome measurements. We have shown impaired motor programming at GI in Parkinsonian patients. The more prominent deterioration of unloading in PDF patients might suggest impaired processing and integration of somatosensory information subserving GI. The unaltered temporal movement sequencing of SCoM might indicate some compensatory cerebellar mechanisms triggering time-locked models of body mechanics in PD.
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Affiliation(s)
- Chiara Palmisano
- Department of Neurology, University Hospital and Julius-Maximilian-University, 97080 Würzburg, Germany
| | - Laura Beccaria
- Department of Neurology, University Hospital and Julius-Maximilian-University, 97080 Würzburg, Germany
| | - Stefan Haufe
- Uncertainty, Inverse Modeling and Machine Learning Group, Faculty IV Electrical Engineering and Computer Science, Technical University of Berlin, 10623 Berlin, Germany
| | - Jens Volkmann
- Department of Neurology, University Hospital and Julius-Maximilian-University, 97080 Würzburg, Germany
| | - Gianni Pezzoli
- Centro Parkinson, ASST Gaetano Pini-CTO, 20122 Milano, Italy
| | - Ioannis U. Isaias
- Department of Neurology, University Hospital and Julius-Maximilian-University, 97080 Würzburg, Germany
- Centro Parkinson, ASST Gaetano Pini-CTO, 20122 Milano, Italy
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Delafontaine A, Vialleron T, Diakhaté DG, Fourcade P, Yiou E. Effects of experimentally induced cervical spine mobility alteration on the postural organisation of gait initiation. Sci Rep 2022; 12:6055. [PMID: 35410364 PMCID: PMC9001680 DOI: 10.1038/s41598-022-10101-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 03/28/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractGait initiation (GI), the transient period between quiet standing and locomotion, is a functional task classically used in the literature to investigate postural control. This study aimed to investigate the influence of an experimentally-induced alteration of cervical spine mobility (CSM) on GI postural organisation. Fifteen healthy young adults initiated gait on a force-plate in (1) two test conditions, where participants wore a neck orthosis that passively simulated low and high levels of CSM alteration; (2) one control condition, where participants wore no orthosis; and (3) one placebo condition, where participants wore a cervical bandage that did not limit CSM. Centre-of-pressure and centre-of-mass kinematics were computed based on force-plate recordings according to Newton’s second law. Main results showed that anticipatory postural adjustments amplitude (peak backward centre-of-pressure shift and forward centre-of-mass velocity at toe-off) and motor performance (step length and forward centre-of-mass velocity at foot-contact) were altered under the condition of high CSM restriction. These effects of CSM restriction may reflect the implementation of a more cautious strategy directed to attenuate head-in-space destabilisation and ease postural control. It follows that clinicians should be aware that the prescription of a rigid neck orthosis to posturo-deficient patients could exacerbate pre-existing GI deficits.
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Theoretical discrimination index of postural instability in amyotrophic lateral sclerosis. Sci Rep 2022; 12:2430. [PMID: 35165398 PMCID: PMC8844064 DOI: 10.1038/s41598-022-06471-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 01/31/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractTo assess the usefulness of a theoretical postural instability discrimination index (PIth) in amyotrophic lateral sclerosis (ALS). Prospective regression analyzes were performed to identify the biomechanical determinants of postural instability unrelated to lower limb motor deficits from gait initiation factors. PIth was constructed using a logit function of biomechanical determinants. Discriminatory performance and performance differences were tested. Backward displacement of the pression center (APAamplitude) and active vertical braking of the mass center (Braking-index) were the biomechanical determinants of postural instability. PIth = − 0.13 × APAamplitude − 0.12 × Braking-index + 5.67, (P < 0.0001, RSquare = 0.6119). OR (APAamplitude) and OR (Braking-index) were 0.878 and 0.887, respectively, i.e., for a decrease of 10 mm in APAamplitude or 10% in Braking-index, the postural instability risk was 11.391 or 11.274 times higher, respectively. PIth had the highest discriminatory performance (AUC 0.953) with a decision threshold value $$\ge$$
≥
0.587, a sensitivity of 90.91%, and a specificity of 83.87%, significantly increasing the sensitivity by 11.11%. PIth, as objective clinical integrator of gait initiation biomechanical processes significantly involved in dynamic postural control, was a reliable and performing discrimination index of postural instability with a significant increased sensitivity, and may be useful for a personalized approach to postural instability in ALS.
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Kinematics or Kinetics: Optimum Measurement of the Vertical Variations of the Center of Mass during Gait Initiation. SENSORS 2021; 21:s21237954. [PMID: 34883958 PMCID: PMC8659494 DOI: 10.3390/s21237954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/23/2021] [Accepted: 11/25/2021] [Indexed: 11/17/2022]
Abstract
BACKGROUND During gait, the braking index represents postural control, and consequently, the risk of falls. Previous studies based their determination of the braking index during the first step on kinetic methods using force platforms, which are highly variable. This study aimed to investigate whether determining the braking index with a kinematic method, through 3D motion capture, provides more precise results. METHODS Fifty participants (20 to 40 years) performed ten trials in natural and fast gait conditions. Their braking index was estimated from their first step simultaneously using a force platform and VICON motion capture system. The reliability of each braking index acquisition method was assessed by intraclass correlation coefficients, standard error measurements, and the minimal detectable change. RESULTS Both kinetic and kinematic methods allowed good to excellent reliability and similar minimum detectable changes (10%). CONCLUSION Estimating the braking index through a kinetic or a kinematic method was highly reliable.
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Vialleron T, Delafontaine A, Millerioux I, Memari S, Fourcade P, Yiou E. Acute effects of short-term stretching of the triceps surae on ankle mobility and gait initiation in patients with Parkinson's disease. Clin Biomech (Bristol, Avon) 2021; 89:105449. [PMID: 34418858 DOI: 10.1016/j.clinbiomech.2021.105449] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 05/17/2021] [Accepted: 08/10/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Ankle mobility is known to be of uttermost importance to generate propulsive forces and control balance during gait initiation. Impaired mobility of the postural chain occurs with normal ageing and is exacerbated in patients with Parkinson's disease. This study questions whether short-term stretching session applied to the triceps surae improves ankle mobility and, consequently, dynamical postural control in patients with Parkinson's disease performing gait initiation. METHOD Nineteen patients with Parkinson's disease participated in this study and were randomly assigned to an "intervention group" or a "sham group". In the intervention group, patients were exposed to a 4 × 60 seconds triceps surae stretching. In the sham group, they were exposed to forearm stretching. Additionally, ten age-matched healthy elderly, who were not exposed to any stretching-treatment, were assigned to a "control group". Participants performed series of gait initiation on a force-plate before and after their treatment. FINDINGS Ankle mobility was improved in the intervention group after triceps surae stretching. The forward velocity of the center-of-mass at heel-off and motor performance related-parameters (progression velocity, center-of-mass velocity at foot-contact and swing phase duration) were also improved in the intervention group, with large effect sizes (d ≥ 0.8). None of the stability parameters were modified by the treatments. INTERPRETATION Short-term triceps surae stretching is an efficient method to increase ankle mobility and improve the capacity to generate forward propulsive forces in patients with Parkinson's disease. These findings are congruent with the "posturo-kinetics capacity" theory according to which dynamical postural control depends on postural chain mobility.
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Affiliation(s)
- Thomas Vialleron
- CIAMS laboratory, Université Paris-Saclay, 91405 Orsay Cedex, France; CIAMS laboratory, Université d'Orléans, 45067 Orléans, France
| | - Arnaud Delafontaine
- CIAMS laboratory, Université Paris-Saclay, 91405 Orsay Cedex, France; CIAMS laboratory, Université d'Orléans, 45067 Orléans, France
| | - Isis Millerioux
- CIAMS laboratory, Université Paris-Saclay, 91405 Orsay Cedex, France; CIAMS laboratory, Université d'Orléans, 45067 Orléans, France
| | - Sahel Memari
- CIAMS laboratory, Université Paris-Saclay, 91405 Orsay Cedex, France; CIAMS laboratory, Université d'Orléans, 45067 Orléans, France
| | - Paul Fourcade
- CIAMS laboratory, Université Paris-Saclay, 91405 Orsay Cedex, France; CIAMS laboratory, Université d'Orléans, 45067 Orléans, France
| | - Eric Yiou
- CIAMS laboratory, Université Paris-Saclay, 91405 Orsay Cedex, France; CIAMS laboratory, Université d'Orléans, 45067 Orléans, France.
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Pourhoseingholi E, Kamali M, Saeedi H, Jalali M. The comparison of the effect of innovative designed storing-restoring hybrid passive AFO versus posterior leaf spring AFO on ankle joint kinematic in drop foot patients: A case series using a single subject design. Med J Islam Repub Iran 2021; 34:173. [PMID: 33816372 PMCID: PMC8004578 DOI: 10.47176/mjiri.34.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Indexed: 11/15/2022] Open
Abstract
Background: Drop foot syndrome is a disorder characterized by foot slapping after the initial contact and foot-dragging during the swing phase. Passive and hybrid passive ankle foot orthoses (AFOs) are often prescribed in these patients; however, the effects of these AFO designs on kinematic parameters during gait are unclear. The aim of this study was to compare the effect of innovative designed storing-restoring hybrid passive AFOs versus posterior leaf spring AFO on ankle joint kinematics in drop foot patients.
Methods: The present study was a case series where a single case and 3 cases with drop foot syndrome were recruited. This study was designed in 2 phases: the baseline phase with their PLS AFOs and an intervention phase in which innovative designed AFO were assessed. Each phase included 5 measurement sessions which were performed in 5 consecutive weeks. The celeration line method was used to detect the significant differences between the phases.
Results: The results of this study showed a significant increase in the kinematic angles parameters at the initial contact, the loading response, the mid stance, terminal stance, pre swing, initial swing, mid swing, and terminal swing with the innovative designed AFO than with PLS AFO (p<0.05).
Conclusion: The results of the present study suggested that use of the innovative designed AFO may have a positive effect on ankle joint kinematics parameters in people with drop foot.
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Affiliation(s)
- Ensieh Pourhoseingholi
- Department of Orthotics & Prosthetics, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Kamali
- Rehabilitation Research Center, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Hassan Saeedi
- Department of Orthotics & Prosthetics, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Jalali
- Department of Orthotics & Prosthetics, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran
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Yap YT, Gouwanda D, Gopalai AA, Chong YZ. The effect of asymmetrical gait induced by unilateral knee brace on the knee flexor and extensor muscles. Med Biol Eng Comput 2021; 59:711-720. [PMID: 33625670 DOI: 10.1007/s11517-021-02337-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 02/09/2021] [Indexed: 11/29/2022]
Abstract
Asymmetrical stiff knee gait is a mechanical pathology that can disrupt lower extremity muscle coordination. A better understanding of this condition can help identify potential complications. This study proposes the use of dynamic musculoskeletal modelling simulation to investigate the effect of induced mechanical perturbation on the kneeand to examine the muscle behaviour without invasive technique. Thirty-eight healthy participants were recruited. Asymmetrical gait was simulated using knee brace. Knee joint angle, joint moment and knee flexor and extensor muscle forces were computed using OpenSim. Differences inmuscle force between normal and abnormal conditions were investigated using ANOVA and Tukey-Kramer multiple comparison test.The results revealed that braced knee experienced limited range of motion with smaller flexion moment occuring at late swing phase. Significant differences were found in all flexormuscle forces and in several extensor muscle forces (p<0.05). Normal knee produced larger flexor muscle force than braced knee. Braced knee generated the largest extensor muscle force at early swing phase. In summary, musculoskeletal modelling simulation can be a computational tool to map and detect the differences between normal and asymmetrical gaits.
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Affiliation(s)
- Yi Ting Yap
- School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, 47500, Selangor Darul Ehsan, Malaysia.
| | - Darwin Gouwanda
- School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, 47500, Selangor Darul Ehsan, Malaysia
| | - Alpha A Gopalai
- School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, 47500, Selangor Darul Ehsan, Malaysia
| | - Yu Zheng Chong
- Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Selangor Darul Ehsan, Malaysia
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Role of the newly designed Ankle Foot Orthosis on balance related parametersin drop foot post stroke patients. J Bodyw Mov Ther 2020; 26:501-504. [PMID: 33992288 DOI: 10.1016/j.jbmt.2020.11.022] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 11/15/2020] [Accepted: 11/16/2020] [Indexed: 11/20/2022]
Abstract
BACKGROUND Passive and hybrid passive ankle foot orthoses (AFOs) are often prescribed in post stroke drop foot; however, the effects of these AFOs on balance related parameters in these patients seem unclear. Accordingly, the aim of current study was to evaluate the role of the newly designed hybrid passive and Posterior Leaf Spring (PLS) AFOs on balance related parameters including: self-reported balance confidence (ABC), Timed Up and Go Test (TUG) and Berg Balance Scale (BBS) in post stroke drop foot patients. METHODS Fifteen post stroke drop foot patients were recruited in current study. Then, ABC, TUG and BBS were assessed with newly designed AFO and PLS AFO. RESULTS The results of this study were shown a significant improvement in ABC, TUG and BBS scores with the newly designed AFO than PLS AFO (p < 0.05). CONCLUSION This study suggested that the newly designed AFO was improved the balance related parameters than PLS AFO.
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Vialleron T, Delafontaine A, Ditcharles S, Fourcade P, Yiou E. Effects of stretching exercises on human gait: a systematic review and meta-analysis. F1000Res 2020; 9:984. [PMID: 33728043 PMCID: PMC7919610 DOI: 10.12688/f1000research.25570.2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/23/2020] [Indexed: 12/16/2022] Open
Abstract
Background: Stretching is commonly used in physical therapy as a rehabilitation tool to improve range of motion and motor function. However, is stretching an efficient method to improve gait, and if so, for which patient category? Methods: A systematic review of randomized and non-randomized controlled trials with meta-analysis was conducted using relevant databases. Every patient category and every type of stretching programs were included without multicomponent programs. Data were meta-analysed where possible. Estimates of effect sizes (reported as standard mean difference (SMD)) with their respective 95% confidence interval (95% CI) were reported for each outcome. The PEDro scale was used for the quality assessment. Results: Twelve studies were included in the analysis. Stretching improved gait performance as assessed by walking speed and stride length only in a study with a frail elderly population, with small effect sizes (both SMD= 0.49; 95% CI: 0.03, 0.96; PEDro score: 3/10). The total distance and the continuous walking distance of the six-minute walking test were also improved only in a study in an elderly population who had symptomatic peripheral artery disease, with large effect sizes (SMD= 1.56; 95% CI: 0.66, 2.45 and SMD= 3.05; 95% CI: 1.86, 4.23, respectively; PEDro score: 5/10). The results were conflicting in healthy older adults or no benefit was found for most of the performance, spatiotemporal, kinetic and angular related variables. Only one study (PEDro score: 6/10) showed improvements in stance phase duration (SMD=-1.92; 95% CI: -3.04, -0.81), swing phase duration (SMD=1.92; 95 CI: 0.81, 3.04), double support phase duration (SMD= -1.69; 95% CI: -2.76, -0.62) and step length (SMD=1.37; 95% CI: 0.36, 2.38) with large effect sizes. Conclusions: There is no strong evidence supporting the beneficial effect of using stretching to improve gait. Further randomized controlled trials are needed to understand the impact of stretching on human gait.
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Affiliation(s)
- Thomas Vialleron
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
| | - Arnaud Delafontaine
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
| | - Sebastien Ditcharles
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
- ENKRE, Saint Maurice, Ile de France, 94410, France
| | - Paul Fourcade
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
| | - Eric Yiou
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
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Vialleron T, Delafontaine A, Ditcharles S, Fourcade P, Yiou E. Effects of stretching exercises on human gait: a systematic review and meta-analysis. F1000Res 2020; 9:984. [PMID: 33728043 PMCID: PMC7919610 DOI: 10.12688/f1000research.25570.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 08/04/2020] [Indexed: 04/01/2024] Open
Abstract
Background: Stretching is commonly used in physical therapy as a rehabilitation tool to improve range of motion and motor function. However, is stretching an efficient method to improve gait, and if so, for which patient category? Methods: A systematic review of randomized and non-randomized controlled trials with meta-analysis was conducted using relevant databases. Every patient category and every type of stretching programs were included without multicomponent programs. Data were meta-analysed where possible. Estimates of effect sizes (reported as standard mean difference (SMD)) with their respective 95% confidence interval (95% CI) were reported for each outcome. The PEDro scale was used for the quality assessment. Results: Twelve studies were included in the analysis. Stretching improved gait performance as assessed by walking speed and stride length only in a study with a frail elderly population, with small effect sizes (both SMD= 0.49; 95% CI: 0.03, 0.96; PEDro score: 3/10). The total distance and the continuous walking distance of the six-minute walking test were also improved only in a study in an elderly population who had symptomatic peripheral artery disease, with large effect sizes (SMD= 1.56; 95% CI: 0.66, 2.45 and SMD= 3.05; 95% CI: 1.86, 4.23, respectively; PEDro score: 5/10). The results were conflicting in healthy older adults or no benefit was found for most of the performance, spatiotemporal, kinetic and angular related variables. Only one study (PEDro score: 6/10) showed improvements in stance phase duration (SMD=-1.92; 95% CI: -3.04, -0.81), swing phase duration (SMD=1.92; 95 CI: 0.81, 3.04), double support phase duration (SMD= -1.69; 95% CI: -2.76, -0.62) and step length (SMD=1.37; 95% CI: 0.36, 2.38) with large effect sizes. Conclusions: There is no strong evidence supporting the beneficial effect of using stretching to improve gait. Further randomized controlled trials are needed to understand the impact of stretching on human gait.
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Affiliation(s)
- Thomas Vialleron
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
| | - Arnaud Delafontaine
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
| | - Sebastien Ditcharles
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
- ENKRE, Saint Maurice, Ile de France, 94410, France
| | - Paul Fourcade
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
| | - Eric Yiou
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, 91405, France
- CIAMS, Université d'Orléans, Orléans, Orléans, 45067, France
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Meyns P, Kerkum YL, Brehm MA, Becher JG, Buizer AI, Harlaar J. Ankle foot orthoses in cerebral palsy: Effects of ankle stiffness on trunk kinematics, gait stability and energy cost of walking. Eur J Paediatr Neurol 2020; 26:68-74. [PMID: 32147412 DOI: 10.1016/j.ejpn.2020.02.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/29/2019] [Revised: 01/13/2020] [Accepted: 02/16/2020] [Indexed: 01/05/2023]
Abstract
In children with cerebral palsy (CP), rigid ventral shell ankle-foot orthoses (vAFOs) are often prescribed to reduce excessive knee flexion in stance and lower the energy cost of walking (ECW). However, how vAFOs affect ECW is a complex issue, as vAFOs may have an impact on lower limb biomechanics, upper body movements, and balance. Besides, the vAFO's biomechanical effect have been shown to be dependent on its stiffness around the ankle joint. We examined whether vAFO stiffness influences trunk movements and gait stability in CP, and whether there is a relationship between these factors and ECW. Fifteen children with spastic CP were prescribed vAFOs. Stiffness was varied into a rigid, stiff and flexible configuration. At baseline (shoes-only) and for each vAFO stiffness configuration, 3D-gait analyses and ECW-tests were performed. From the gait analyses, we derived trunk tilt, lateroflexion, and rotation range of motion (RoM) and the mediolateral and anteroposterior Margins of Stability (MoS) and their variability as measures of gait stability. With the ECW-test we determined the netEC. We found that wearing vAFOs significantly increased trunk lateroflexion (Wald χ2 = 33.7, p < 0.001), rotation RoM (Wald χ2 = 20.5, p < 0.001) and mediolateral gait instability (Wald χ2 = 10.4, p = 0.016). The extent of these effects partly depended on the stiffness of the vAFO. Significant relations between trunk movements, gait stability and ECW were found r = 0.57-0.81, p < 0.05), which indicates that trunk movements and gait stability should be taken into account when prescribing vAFOs to improve gait in children with CP walking with excessive knee flexion.
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Affiliation(s)
- P Meyns
- Rehabilitation Research (REVAL), Faculty of Rehabilitation Sciences, Hasselt University, Agoralaan, Building A, BEC3590, Hasselt, Belgium
| | - Y L Kerkum
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands.
| | - M A Brehm
- Amsterdam UMC, University of Amsterdam, Department of Rehabilitation, Amsterdam Movement Sciences, Meibergdreef 9, Amsterdam, the Netherlands
| | - J G Becher
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands
| | - A I Buizer
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands
| | - J Harlaar
- Amsterdam UMC, Vrije Universiteit Amsterdam, Department of Rehabilitation Medicine, Amsterdam Movement Sciences, de Boelelaan 1117, Amsterdam, the Netherlands; Department of Biomechanical Engineering, Delft University of Technology, Mekelweg 2, 2628 CD, Delft, the Netherlands
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13
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Immediate Effects of Ankle-Foot Orthosis Using Wire on Static Balance of Patients with Stroke with Foot Drop: A Cross-Over Study. Healthcare (Basel) 2020; 8:healthcare8020116. [PMID: 32354201 PMCID: PMC7349351 DOI: 10.3390/healthcare8020116] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/13/2022] Open
Abstract
The aim of this study was to investigate the immediate static balance effects of bare foot, UD-Flex ankle–foot orthosis (AFO), and AFO using wire (AOW) of patients with stroke with foot drop. Seventeen patients with stroke with foot drop (8 men and 9 women) were randomized to three conditions (bare foot, UD-Flex AFO, or AOW made with a flexible material). Static balance was assessed using the Zebris (Zebris GmbH, Isny, Germany) and BioRescue (RM Ingenierie, Rodez, France) pressure platform by a single examiner, who did not design the AOW. The order of testing with the equipment was random. The center of pressure path length (mm) measured using Zebris showed significant differences among the three conditions (bare foot, 484.47 ± 208.42; UD-Flex AFO, 414.59 ± 144.43; AOW, 318.29 ± 157.60) (p < 0.05). The bare-foot condition was not significantly different from the UD-Flex AFO condition (p > 0.05), but was significantly different from the AOW condition (p < 0.05). The surface area ellipse (mm2) measured using BioRescue showed significant differences among the three conditions (bare foot, 241.35 ± 153.76; UD-Flex AFO, 277.41 ± 381.83; AOW, 68.06 ± 48.98) (p < 0.05). The bare-foot condition was not significantly different from the UD-Flex AFO condition (p > 0.05), but the AOW condition was significantly different from the bare-foot (p < 0.05) and from the UD-Flex AFO conditions (p < 0.05). We suggest using the AOW made of flexible materials and wire instead of the UD-Flex AFO to improve immediate static balance of patients with stroke with foot drop after stroke. Further studies on the effects of dynamic balance and gait are required.
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14
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The impact of ankle-foot-orthosis (AFO) use on the compensatory stepping response required to avoid a fall during trip-like perturbations in young adults: Implications for AFO prescription and design. J Biomech 2020; 103:109703. [DOI: 10.1016/j.jbiomech.2020.109703] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 01/31/2020] [Accepted: 02/18/2020] [Indexed: 11/17/2022]
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15
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Goldstein-Piekarski AN, Holt-Gosselin B, O'Hora K, Williams LM. Integrating sleep, neuroimaging, and computational approaches for precision psychiatry. Neuropsychopharmacology 2020; 45:192-204. [PMID: 31426055 PMCID: PMC6879628 DOI: 10.1038/s41386-019-0483-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Revised: 06/21/2019] [Accepted: 07/22/2019] [Indexed: 12/13/2022]
Abstract
In advancing precision psychiatry, we focus on what imaging technology and computational approaches offer for the future of diagnostic subtyping and personalized tailoring of interventions for sleep impairment in mood and anxiety disorders. Current diagnostic criteria for mood and anxiety tend to lump different forms of sleep disturbance together. Parsing the biological features of sleep impairment and brain circuit dysfunction is one approach to identifying subtypes within these disorders that are mechanistically coherent and offer targets for intervention. We focus on two large-scale neural circuits implicated in sleep impairment and in mood and anxiety disorders: the default mode network and negative affective network. Through a synthesis of existing knowledge about these networks, we pose a testable framework for understanding how hyper- versus hypo-engagement of these networks may underlie distinct features of mood and sleep impairment. Within this framework we consider whether poor sleep quality may have an explanatory role in previously observed associations between network dysfunction and mood symptoms. We expand this framework to future directions including the potential for connecting circuit-defined subtypes to more distal features derived from digital phenotyping and wearable technologies, and how new discovery may be advanced through machine learning approaches.
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Affiliation(s)
- Andrea N Goldstein-Piekarski
- Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA, 94305, USA
- Sierra-Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA, 94304, USA
| | - Bailey Holt-Gosselin
- Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA, 94305, USA
| | - Kathleen O'Hora
- Sierra-Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA, 94304, USA
| | - Leanne M Williams
- Department of Psychiatry and Behavioral Sciences, Stanford University, 401 Quarry Road, Stanford, CA, 94305, USA.
- Sierra-Pacific Mental Illness Research, Education, and Clinical Center (MIRECC), Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA, 94304, USA.
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16
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Influence of Swing-Foot Strike Pattern on Balance Control Mechanisms during Gait Initiation over an Obstacle to Be Cleared. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app10010244] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Gait initiation (GI) over an obstacle to be cleared is a functional task that is highly challenging for the balance control system. Two swing-foot strike patterns were identified during this task—the rearfoot strike (RFS), where the heel strikes the ground first, and the forefoot strike (FFS), where the toe strikes the ground first. This study investigated the effect of the swing-foot strike pattern on the postural organisation of GI over an obstacle to be cleared. Participants performed a series of obstacle clearance tasks with the instruction to strike the ground with either an FFS or RFS pattern. Results showed that anticipatory postural adjustments in the frontal plane were smaller in FFS than in RFS, while stability was increased in FFS. The vertical braking of the centre of mass (COM) during GI swing phase was attenuated in FFS compared to RFS, leading to greater downward centre of mass velocity at foot contact in FFS. In addition, the collision forces acting on the foot were smaller in FFS than in RFS, as were the slope of these forces and the slope of the C7 vertebra acceleration at foot contact. Overall, these results suggest an interdependent relationship between balance control mechanisms and foot strike pattern for optimal stability control.
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17
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Sahbaz C, Kurtulmus A. Association between emotional functioning and biological rhythm disruptions in patients with schizophrenia. PSYCHIAT CLIN PSYCH 2019. [DOI: 10.1080/24750573.2019.1682853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Affiliation(s)
- Cigdem Sahbaz
- Department of Psychiatry, Bezmialem Vakif University, Istanbul, Turkey
| | - Ayse Kurtulmus
- Department of Psychiatry, Bezmialem Vakif University, Istanbul, Turkey
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18
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Control Reference Parameter for Stance Assistance Using a Passive Controlled Ankle Foot Orthosis—A Preliminary Study. APPLIED SCIENCES-BASEL 2019. [DOI: 10.3390/app9204416] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
This paper aims to present a preliminary study of control reference parameters for stance assistance among different subjects and walking speeds using a passive-controlled ankle foot orthosis. Four young male able-bodied subjects with varying body mass indexes (23.842 ± 4.827) walked in three walking speeds of 1, 3, and 5 km/h. Two control references, average ankle torque (aMa), and ankle angular velocity (aω), which can be implemented using a magnetorheological brake, were measured. Regression analysis was conducted to identify suitable control references in the three different phases of the stance. The results showed that aω has greater correlation (p) with body mass index and walking speed compared to aMa in the whole stance phase (p1(aω) = 0.666 > p1(aMa) = 0.560, p2(aω) = 0.837 > p2(aMa) = 0.277, and p3(aω) = 0.839 > p3(aMa) = 0.369). The estimation standard error (Se) of the aMa was found to be generally higher than of aω (Se1(aMa) = 2.251 > Se1(aω) = 0.786, Se2(aMa) = 1.236 > Se2(aω) = 0.231, Se3(aMa) = 0.696 < Se3(aω) = 0.755). Future studies should perform aω estimation based on body mass index and walking speed, as suggested by the higher correlation and lower standard error as compared to aMa. The number of subjects and walking speed scenarios should also be increased to reduce the standard error of control reference parameters estimation.
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19
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Delafontaine A, Vialleron T, Fischer M, Laffaye G, Chèze L, Artico R, Genêt F, Fourcade PC, Yiou E. Acute Effects of Whole-Body Vibration on the Postural Organization of Gait Initiation in Young Adults and Elderly: A Randomized Sham Intervention Study. Front Neurol 2019; 10:1023. [PMID: 31616369 PMCID: PMC6768974 DOI: 10.3389/fneur.2019.01023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Accepted: 09/09/2019] [Indexed: 11/13/2022] Open
Abstract
Whole-body vibration (WBV) is a training method that exposes the entire body to mechanical oscillations while standing erect or seated on a vibrating platform. This method is nowadays commonly used by clinicians to improve specific motor outcomes in various sub-populations such as elderly and young healthy adults, either sedentary or well-trained. The present study investigated the effects of acute WBV application on the balance control mechanisms during gait initiation (GI) in young healthy adults and elderly. It was hypothesized that the balance control mechanisms at play during gait initiation may compensate each other in case one or several components are perturbed following acute WBV application, so that postural stability and/or motor performance can be maintained or even improved. It is further hypothesized that this capacity of adaptation is altered with aging. Main results showed that the effects of acute WBV application on the GI postural organization depended on the age of participants. Specifically, a positive effect was observed on dynamic stability in the young adults, while no effect was observed in the elderly. An increased stance leg stiffness was also observed in the young adults only. The positive effect of WBV on dynamic stability was ascribed to an increase in the mediolateral amplitude of "anticipatory postural adjustments" following WBV application, which did overcompensate the potentially destabilizing effect of the increased stance leg stiffness. In elderly, no such anticipatory (nor corrective) postural adaptation was required since acute WBV application did not elicit any change in the stance leg stiffness. These results suggest that WBV application may be effective in improving dynamic stability but at the condition that participants are able to develop adaptive changes in balance control mechanisms, as did the young adults. Globally, these findings are thus in agreement with the hypothesis that balance control mechanisms are interdependent within the postural system, i.e., they may compensate each other in case one component (here the leg stiffness) is perturbed.
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Affiliation(s)
- Arnaud Delafontaine
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France.,ENKRE, Saint-Maurice, France
| | - Thomas Vialleron
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
| | - Matthieu Fischer
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
| | - Guillaume Laffaye
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
| | | | - Romain Artico
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France.,ENKRE, Saint-Maurice, France
| | - François Genêt
- UMR End:icap équipe 3, UFR des Sciences de la Santé Simone Veil, UVSQ, Montigny le Bretonneux, France
| | - Paul Christian Fourcade
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
| | - Eric Yiou
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
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20
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Massot C, Simoneau-Buessinger E, Agnani O, Donze C, Leteneur S. Anticipatory postural adjustment during gait initiation in multiple sclerosis patients: A systematic review. Gait Posture 2019; 73:180-188. [PMID: 31344607 DOI: 10.1016/j.gaitpost.2019.07.253] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Revised: 06/06/2019] [Accepted: 07/18/2019] [Indexed: 02/02/2023]
Abstract
BACKGROUND Multiple sclerosis (MS) causes balance and walking disorders. Gait initiation is the complex transition between standing and walking and is characterized by two distinct phases: the anticipatory postural adjustment (APA) phase followed by the execution of the first step phase. RESEARCH AIM To determine alterations in the APA during gait initiation in patients with MS. METHODS A systematic search was conducted in May 2018. The search was carried out by the use of the following databases: PubMed, Web of Science and the Cochrane Library. The following keywords were used: MS, gait initiation, step initiation, and postural adjustment(s). Outcomes of interest were the variables generally used to assess APA, including electromyography, force-plate data, or video-based data, duration of APA, and length of first step. The Ottawa scale was used to assess the quality of the studies. RESULTS Eight case-control studies were included; one was a transverse study. A total of 215 MS patients and 116 healthy subjects were included with ages ranging from 22 to 76 years old. In MS patients, Expanded Disability Status Scale (EDSS) scores ranged from 0 to 7. APA CoP displacements were smaller in the anteroposterior axis. Four studies evaluated muscle activation during APA. The latencies of all muscles were delayed, and smaller magnitudes of muscle activity during APA were found, even in the early stage of disease. The first step was shorter in MS patients than in healthy patients. No previous study has reported joint movement or trunk inclination during gait initiation. SIGNIFICANCE This review illustrates the gap in knowledge of APA alterations in MS patients. APA assessment in the early stage of MS could be an interesting measure to characterize balance, dynamic control and risk of fall for such patients.
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Affiliation(s)
- C Massot
- Service de Médecine Physique et de Réadaptation, 249 rue du Grand But, 59462 Lomme Cedex, France.
| | - E Simoneau-Buessinger
- Univ Lille Nord de France, F-59000 Lille, France; UPHF, LAMIH, F-59313 Valenciennes, France; CNRS, UMR 8201, F-59313 Valenciennes, France
| | - O Agnani
- Service de Médecine Physique et de Réadaptation, 249 rue du Grand But, 59462 Lomme Cedex, France
| | - C Donze
- Service de Médecine Physique et de Réadaptation, 249 rue du Grand But, 59462 Lomme Cedex, France
| | - S Leteneur
- Univ Lille Nord de France, F-59000 Lille, France; UPHF, LAMIH, F-59313 Valenciennes, France; CNRS, UMR 8201, F-59313 Valenciennes, France
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21
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Effect of Kinesio Taping on the Walking Ability of Patients with Foot Drop after Stroke. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:2459852. [PMID: 31223327 PMCID: PMC6541939 DOI: 10.1155/2019/2459852] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 04/15/2019] [Indexed: 11/17/2022]
Abstract
Objective The purpose of this study was to investigate the effect of kinesio taping on the walking ability in patients with foot drop after stroke. Methods Sixty patients were randomly divided into the experimental group (with kinesio taping) and the control group (without kinesio taping). The 10-Meter Walking Test (10MWT), Timed Up and Go Test (TUGT), stride length, stance phase, swing phase, and foot rotation of the involved side were measured with the German ZEBRIS gait running platform analysis system and were used to evaluate and compare the immediate effects of kinesio taping. All the measurements were made in duplicate for each patient. Results The demographic variables of patients in both groups were comparable before the treatment (p>0.05). After kinesio taping treatment, significant improvement was found in the 10MWT and the TUGT for patients in the experimental group (p<0.05). There were significant differences in the 10MWT and TUGT between the experimental and control groups after treatment (p<0.05). In terms of gait, we found significant improvement in stride length (p<0.001), stance phase (p<0.001), swing phase (p<0.001), and foot rotation (p<0.001) of the involved side in experimental group after treatment compared with those before treatment. Further, the functional outcomes and gait ability were significantly improved in the experimental group after treatment (p<0.05), compared to the control group. Conclusion Kinesio taping can immediately improve the walking function of patients with foot drop after stroke.
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22
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Delafontaine A, Vialleron T, Hussein T, Yiou E, Honeine JL, Colnaghi S. Anticipatory Postural Adjustments During Gait Initiation in Stroke Patients. Front Neurol 2019; 10:352. [PMID: 31057474 PMCID: PMC6478808 DOI: 10.3389/fneur.2019.00352] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Accepted: 03/22/2019] [Indexed: 12/03/2022] Open
Abstract
Prior to gait initiation (GI), anticipatory postural adjustments (GI-APA) are activated in order to reorganize posture, favorably for gait. In healthy subjects, the center of pressure (CoP) is displaced backward during GI-APA, bilaterally by reducing soleus activities and activating the tibialis anterior (TA) muscles, and laterally in the direction of the leading leg, by activating hip abductors. In post-stroke hemiparetic patients, TA, soleus and hip abductor activities are impaired on the paretic side. Reduction in non-affected triceps surae activity can also be observed. These may result in a decreased ability to execute GI-APA and to generate propulsion forces during step execution. A systematic review was conducted to provide an overview of the reorganization which occurs in GI-APA following stroke as well as of the most effective strategies for tailoring gait-rehabilitation to these patients. Sixteen articles were included, providing gait data from a total of 220 patients. Stroke patients show a decrease in the TA activity associated with difficulties in silencing soleus muscle activity of the paretic leg, a decreased CoP shift, lower propulsive anterior forces and a longer preparatory phase. Regarding possible gait-rehabilitation strategies, the selected studies show that initiating gait with the paretic leg provides poor balance. The use of the non-paretic as the leading leg can be a useful exercise to stimulate the paretic postural muscles.
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Affiliation(s)
- Arnaud Delafontaine
- CIAMS, Université Paris-Sud, Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
| | - Thomas Vialleron
- CIAMS, Université Paris-Sud, Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
| | | | - Eric Yiou
- CIAMS, Université Paris-Sud, Université Paris-Saclay, Orsay, France.,CIAMS, Université d'Orléans, Orléans, France
| | | | - Silvia Colnaghi
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia, Italy.,Laboratory of Neuro-otology and Neuro-ophthalmology, IRCCS Mondino Foundation, Pavia, Italy
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23
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A Review on the Control of the Mechanical Properties of Ankle Foot Orthosis for Gait Assistance. ACTUATORS 2019. [DOI: 10.3390/act8010010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In the past decade, advanced technologies in robotics have been explored to enhance the rehabilitation of post-stroke patients. Previous works have shown that gait assistance for post-stroke patients can be provided through the use of robotics technology in ancillary equipment, such as Ankle Foot Orthosis (AFO). An AFO is usually used to assist patients with spasticity or foot drop problems. There are several types of AFOs, depending on the flexibility of the joint, such as rigid, flexible rigid, and articulated AFOs. A rigid AFO has a fixed joint, and a flexible rigid AFO has a more flexible joint, while the articulated AFO has a freely rotating ankle joint, where the mechanical properties of the AFO are more controllable compared to the other two types of AFOs. This paper reviews the control of the mechanical properties of existing AFOs for gait assistance in post-stroke patients. Several aspects that affect the control of the mechanical properties of an AFO, such as the controller input, number of gait phases, controller output reference, and controller performance evaluation are discussed and compared. Thus, this paper will be of interest to AFO researchers or developers who would like to design their own AFOs with the most suitable mechanical properties based on their application. The controller input and the number of gait phases are discussed first. Then, the discussion moves forward to the methods of estimating the controller output reference, which is the main focus of this study. Based on the estimation method, the gait control strategies can be classified into subject-oriented estimations and phase-oriented estimations. Finally, suggestions for future studies are addressed, one of which is the application of the adaptive controller output reference to maximize the benefits of the AFO to users.
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24
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Delafontaine A, Fourcade P, Honeine JL, Ditcharles S, Yiou E. Postural adaptations to unilateral knee joint hypomobility induced by orthosis wear during gait initiation. Sci Rep 2018; 8:830. [PMID: 29339773 PMCID: PMC5770397 DOI: 10.1038/s41598-018-19151-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Accepted: 11/13/2017] [Indexed: 12/22/2022] Open
Abstract
Balance control and whole-body progression during gait initiation (GI) involve knee-joint mobility. Single knee-joint hypomobility often occurs with aging, orthopedics or neurological conditions. The goal of the present study was to investigate the capacity of the CNS to adapt GI organization to single knee-joint hypomobility induced by the wear of an orthosis. Twenty-seven healthy adults performed a GI series on a force-plate in the following conditions: without orthosis ("control"), with knee orthosis over the swing leg ("orth-swing") and with the orthosis over the contralateral stance leg ("orth-stance"). In orth-swing, amplitude of mediolateral anticipatory postural adjustments (APAs) and step width were larger, execution phase duration longer, and anteroposterior APAs smaller than in control. In orth-stance, mediolateral APAs duration was longer, step width larger, and amplitude of anteroposterior APAs smaller than in control. Consequently, step length and progression velocity (which relate to the "motor performance") were reduced whereas stability was enhanced compared to control. Vertical force impact at foot-contact did not change across conditions, despite a smaller step length in orthosis conditions compared to control. These results show that the application of a local mechanical constraint induced profound changes in the global GI organization, altering motor performance but ensuring greater stability.
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Affiliation(s)
- A Delafontaine
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, 91405, Orsay, France.
- CIAMS, Université d'Orléans, 45067, Orléans, France.
| | - P Fourcade
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, 91405, Orsay, France
- CIAMS, Université d'Orléans, 45067, Orléans, France
| | - J L Honeine
- CSAM Laboratory, Department of Public Health, University of Pavia, Pavia, Italy
| | - S Ditcharles
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, 91405, Orsay, France
- CIAMS, Université d'Orléans, 45067, Orléans, France
| | - E Yiou
- CIAMS, Univ. Paris-Sud., Université Paris-Saclay, 91405, Orsay, France
- CIAMS, Université d'Orléans, 45067, Orléans, France
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25
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Yiou E, Caderby T, Delafontaine A, Fourcade P, Honeine JL. Balance control during gait initiation: State-of-the-art and research perspectives. World J Orthop 2017; 8:815-828. [PMID: 29184756 PMCID: PMC5696609 DOI: 10.5312/wjo.v8.i11.815] [Citation(s) in RCA: 102] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 08/30/2017] [Accepted: 09/13/2017] [Indexed: 02/06/2023] Open
Abstract
It is well known that balance control is affected by aging, neurological and orthopedic conditions. Poor balance control during gait and postural maintenance are associated with disability, falls and increased mortality. Gait initiation - the transient period between the quiet standing posture and steady state walking - is a functional task that is classically used in the literature to investigate how the central nervous system (CNS) controls balance during a whole-body movement involving change in the base of support dimensions and center of mass progression. Understanding how the CNS in able-bodied subjects exerts this control during such a challenging task is a pre-requisite to identifying motor disorders in populations with specific impairments of the postural system. It may also provide clinicians with objective measures to assess the efficiency of rehabilitation programs and better target interventions according to individual impairments. The present review thus proposes a state-of-the-art analysis on: (1) the balance control mechanisms in play during gait initiation in able bodied subjects and in the case of some frail populations; and (2) the biomechanical parameters used in the literature to quantify dynamic stability during gait initiation. Balance control mechanisms reviewed in this article included anticipatory postural adjustments, stance leg stiffness, foot placement, lateral ankle strategy, swing foot strike pattern and vertical center of mass braking. Based on this review, the following viewpoints were put forward: (1) dynamic stability during gait initiation may share a principle of homeostatic regulation similar to most physiological variables, where separate mechanisms need to be coordinated to ensure stabilization of vital variables, and consequently; and (2) rehabilitation interventions which focus on separate or isolated components of posture, balance, or gait may limit the effectiveness of current clinical practices.
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Affiliation(s)
- Eric Yiou
- Laboratoire CIAMS, Université Paris-Sud, Université Paris-Saclay, Orsay 91405, France
- Laboratoire CIAMS, Université d’Orléans, Orléans 45067, France
| | - Teddy Caderby
- Laboratoire IRISSE, UFR des Sciences de l’Homme et de l’Environnement, Université de la Réunion, Ile de la Réunion 97430, France
| | - Arnaud Delafontaine
- Laboratoire CIAMS, Université Paris-Sud, Université Paris-Saclay, Orsay 91405, France
- Laboratoire CIAMS, Université d’Orléans, Orléans 45067, France
- Ecole Nationale de Kinésithérapie et Rééducation, Saint Maurice 75012, France
| | - Paul Fourcade
- Laboratoire CIAMS, Université Paris-Sud, Université Paris-Saclay, Orsay 91405, France
- Laboratoire CIAMS, Université d’Orléans, Orléans 45067, France
| | - Jean-Louis Honeine
- Department of Public Health, Experimental and Forensic Medicine, University of Pavia, Pavia 27100, Italy
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Impact of ankle foot orthosis stiffness on Achilles tendon and gastrocnemius function during unimpaired gait. J Biomech 2017; 64:145-152. [PMID: 29037441 DOI: 10.1016/j.jbiomech.2017.09.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 07/19/2017] [Accepted: 09/19/2017] [Indexed: 11/23/2022]
Abstract
Ankle foot orthoses (AFOs) are designed to improve gait for individuals with neuromuscular conditions and have also been used to reduce energy costs of walking for unimpaired individuals. AFOs influence joint motion and metabolic cost, but how they impact muscle function remains unclear. This study investigated the impact of different stiffness AFOs on medial gastrocnemius muscle (MG) and Achilles tendon (AT) function during two walking speeds. We performed gait analyses for eight unimpaired individuals. Each individual walked at slow and very slow speeds with a 3D printed AFO with no resistance (free hinge condition) and four levels of ankle dorsiflexion stiffness: 0.25Nm/°, 1Nm/°, 2Nm/°, and 3.7Nm/°. Motion capture, ultrasound, and musculoskeletal modeling were used to quantify MG and AT lengths with each AFO condition. Increasing AFO stiffness increased peak AFO dorsiflexion moment with decreased peak knee extension and peak ankle dorsiflexion angles. Overall musculotendon length and peak AT length decreased, while peak MG length increased with increasing AFO stiffness. Peak MG activity, length, and velocity significantly decreased with slower walking speed. This study provides experimental evidence of the impact of AFO stiffness and walking speed on joint kinematics and musculotendon function. These methods can provide insight to improve AFO designs and optimize musculotendon function for rehabilitation, performance, or other goals.
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