Effect of alpha-tocopherol and OTR-4131 on muscle degeneration after rotator cuff tear in rats: An experimental protocol

Figure 1 Study process flowchart.

Figure 2 An overview of the experimental design. This figure was created with BioRender.com.

Figure 3 Image from the pilot surgery showing the identification of the supraspinatus (black arrow) and infraspinatus tendons (white arrow).

Figure 4 Image from the pilot surgery during the second procedure, illustrating the complete visualization of supraspinatus (black arrow) and infraspinatus (white arrow) muscles prior to harvesting.

Figure 5 Specimens of infraspinatus (left) and supraspinatus (right) muscle units obtained during the pilot surgery.