Incidence of the morphological types of coracobrachialis muscle according to its proximal attachment
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) | |||
One headed | 7 (23.3) | 6 (20.0) | 13 (21.7) | 5 (25.0) | 4 (20.0) | 9 (22.5) | 12 (24.0) | 10 (20.0) | ||
Two-headed | 19 (63.3) | 19 (63.3) | 38 (63.3) | 12 (60.0) | 13 (65.0) | 25 (62.5) | 31 (62.0) | 32 (64.0) | ||
Three-headed | 3 (10.0) | 4 (13.3) | 7 (11.7) | 2 (10.0) | 3 (15.0) | 5 (12.5) | 5 (10.0) | 7 (14.0) | ||
Four-headed | 1 (3.3) | 1 (3.3) | 2 (3.3) | 1 (5.0) | 0 (0) | 1 (2.5) | 2 (4.0) | 1 (2.0) |
Data are expressed as number (%). Types of the coracobrachialis muscle according to the number of its heads. One headed: type I; Two-headed: type II; Three-headed: type III; Four-headed: type IV.
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