Olecranon anatomy: Use of a novel proximal interlocking screw for intramedullary nailing, a cadaver study

Table 1 The A-C distance, C-D distance and angle for each ulna

Ulna No.	A-C distance (mm)	C-D distance (mm)	Angle (°)
1	9.7	11.2	24.9
2	9.4	13.8	23.1
3	9.0	12.0	24.6
4	8.5	14.3	19.3
5	8.9	13.4	21.9
6	11.0	14.6	27.2
7	10.1	13.6	25.9
8	10.4	12.4	29.1
9	11.0	13.4	29.2
10	11.0	14.6	27.2
11	9.0	11.7	25.2
12	8.7	10.6	26.1
13	10.2	14.0	25.6
14	10.5	13.2	27.9
15	9.3	12.9	24.2
16	9.8	12.4	26.9
17	10.0	14.5	24.1
18	9.5	12.8	25.1
19	9.5	12.7	25.3
20	8.8	10.7	26.3
21	10.1	13.5	26.0
22	11.0	14.5	27.3
23	9.0	10.7	27.2
24	9.6	12.1	26.7
25	9.9	12.5	27.1
26	8.7	11.3	24.7
27	8.9	10.2	27.9
28	10.8	13.6	28.2
29	9.0	11.0	26.6
30	9.0	10.6	27.4
31	8.9	10.1	28.1
32	8.6	12.5	22.2
33	9.3	12.7	24.5
34	10.1	13.1	26.7
35	9.8	12.4	26.9
36	8.7	10.0	27.4
Total, mean ± SD (range)	9.600 ± 0.763 (8.500-11.000)	12.500 ± 1.371 (10.000-14.600)	25.9 ± 2.0 (19.3-29.2)