pISSN 2093-3665
eISSN 2093-3673
pISSN 2093-3665
eISSN 2093-3673
The innervation patterns of the coracobrachialis muscle
| Innervation pattern | Male | Female | Total | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Right (n=30) | Left (n=30) | All (n=60) | Right (n=20) | Left (n=20) | All (n=40) | Right (n=50) | Left (n=50) | |||
| Pattern I | 23 (76.7) | 25 (83.3) | 48 (80.0) | 15 (75.0) | 17 (85.0) | 32 (80.0) | 38 (76.0) | 42 (84.0) | ||
| Pattern II | 5 (16.7) | 3 (10.0) | 8 (13.3) | 4 (20.0) | 2 (10.0) | 6 (15.0) | 9 (18.0) | 5 (10.0) | ||
| Pattern III | 2 (6.7) | 1 (3.3) | 3 (5.0) | 0 (0) | 1 (5.0) | 1 (2.5) | 2 (4.0) | 2 (4.0) | ||
| Pattern IV | 0 (0) | 1 (3.3) | 1 (1.7) | 1 (5.0) | 0 (0) | 1 (2.5) | 1 (2.0) | 1 (2.0) | ||
Data are expressed as number (%). The incidence of the different innervation patterns of the coracobrachialis muscle: Pattern I: from musculocutaneous nerve; Pattern II: from lateral cord of the brachial plexus; Pattern III: from lateral root of median nerve; Pattern IV: from median nerve itself.
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