Relationships among Coracobrachialis, Biceps Brachii, and Pectoralis Minor Muscles and Their Correlation with Bifurcated Coracoid Process

Table 2

Morphometric parameters according to insertion type. All data are presented in millimeters.

Parameter		Origin type				Coracoid process
		I	II	III		Single	Bifid
Pectoralis muscle	Width	11.56 (3.14)	12.80 (4.83)	13.42 (3.42)	0.0103	11.84 (3.60)	13.42 (3.42)	0.0058
	Thickness	2.86 (1.06)	2.81 (0.95)	2.76 (1.05)	0.7359	2.85 (1.03)	2.76 (1.05)	0.4393
Coracoid—short head	Width	12.21 (3.77)			—	12.21 (3.77)		—
	Thickness	3.38 (1.20)			—	3.38 (1.20)		—
Coracobrachialis 1/medial	Width	8.21 (3.22)	8.69 (2.55)	7.97 (2.23)	0.5407	8.64 (2.57)	7.97 (2.23)	0.2827
	Thickness	3.40 (0.51)	2.80 (1.03)	2.58 (0.85)	0.1083	2.87 (1.00)	2.58 (0.85)	0.1179
Coracobrachialis 2/lateral	Width	6.25 (2.43)	10.39 (3.47)	8.63 (4.25)	0.3249	9.61 (3.63)	8.63 (4.25)	0.5772
	Thickness	2.38 (0.82)	3.03 (0.95)	2.70 (1.59)	0.2286	2.91 (0.94)	2.70 (1.59)	0.1762
Short head of biceps brachii	Width		6.11 (1.56)	7.10 (2.09)	0.1558	6.11 (1.56)	7.10 (2.09)	0.1558
	Thickness		2.05 (0.80)	2.24 (0.69)	0.2649	2.05 (0.80)	2.24 (0.69)	0.2649
	Tendon length	76.46 (21.89)	69.76 (17.61)	81.04 (16.64)	0.0604	74.95 (21.11)	81.04 (16.64)	0.0856
	Belly length	157.55 (19.23)	171.56 (19.63)	165.08 (19.27)	0.0028	160.49 (20.05)	165.08 (19.27)	0.1469
Myotendinous junction	Width	8.90 (3.00)	7.76 (2.21)	8.62 (2.45)	0.3269	8.66 (2.88)	8.62 (2.45)	0.9149
	Thickness	3.47 (1.73)	2.93 (1.43)	3.41 (0.80)	0.0290	3.35 (1.67)	3.41 (0.80)	0.0696
Coracobrachialis 1/medial length		114.43 (21.78)	129.87 (23.41)	127.11 (14.70)	0.0007	127.11 (14.70)	117.67 (22.90)	0.0073
Coracobrachialis 2/lateral length		71.20 (38.87)	109.67 (24.82)	117.11 (13.44)	0.0001	89.06 (37.94)	117.11 (13.44)	0.0010
Coracobrachialis 3 length		55.94 (29.83)		62.13 (6.00)	0.5139	55.94 (29.83)	62.13 (6.00)	0.5139

Level of significance level according to the Bonferroni correction was 0.003 and marked with .