Table 1.
Distance from the medial epicondyle to the coracoid process (d0); from the medial epicondyle to the exit point of the brachialis motor branch (d1), and from the medial epicondyle to entry point of the brachialis motor branch (d2, mm); nerve depth (r, mm) and ratio (d2/d0, %)
| Distance (mm) | Medial epicondyle to the middle of the coracoid process (d0) | Medial epicondyle to exit point of the brachialis motor branch (d1) | Medial epicondyle to entry point of the brachialis motor branch (d2) | Nerve depth (r, mm) | Ratio (d2/d0, %) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right | Left | Total | Right | Left | Total | Right | Left | Total | Right | Left | Total | Right | Left | Total | |
| Mean | 296 | 300 | 298 | 28.7 | 28.9 | 28.8 | 35.0 | 33.1 | 34.1 | 153 | 156 | 155 | 104 | 100 | 102 |
| Minimum | 270 | 280 | 270 | 20.0 | 20.0 | 20.0 | 28.6 | 25.0 | 25.0 | 140 | 140 | 140 | 80 | 70 | 70 |
| Maximum | 310 | 340 | 340 | 33.0 | 38.0 | 38.0 | 41.9 | 39.4 | 41.9 | 170 | 170 | 170 | 130 | 130 | 130 |
| SD | 14.3 | 22.6 | 18.5 | 4.47 | 5.43 | 4.84 | 0.04 | 0.05 | 0.05 | 11.6 | 9.7 | 10.5 | 15.1 | 21.1 | 17.9 |