Anatomical Variations of the Pectoralis Major Muscle: Notes on Their Impact on Pectoral Nerve Innervation Patterns and Discussion on Their Clinical Relevance
Table 5
Morphometric characteristics of entry points of the neurovascular pedicles within the pectoralis major muscle (PM) regarding the inferior border of the clavicle.
Distance from the inferior border of the clavicle to the:
Min [mm]
Max [mm]
Mean [mm]
Median [mm]
SD [mm]
Male cadavers
entry points of the LPN to the clavicular part of PM
18.8
40.1
27.7
24.6
7.4
entry points of the LPN to the sternocostal part of PM
62.8
91.6
71.4
75.8
15.3
entry points of the MPN to the sternocostal part of PM
104.2
123.6
114.7
115.3
6.4
entry points of the MPN to the abdominal part of PM
110,1
140,6
121.8
120.7
12.8
Female cadavers
entry points of the LPN to the clavicular part of PM
17.1
39.6
27.6
30.2
8.6
entry points of the LPN to the sternocostal part of PM
61.5
81.4
70.3
70.5
5.6
entry points of the MPN to the sternocostal part of PM
79.8
119.4
102.7
104.3
13.4
entry points of the MPN to the abdominal part of PM
102.3
129.8
112.7
110
10.1
Total
entry points of the LPN to the clavicular part of PM
17.1
40.1
27.7
27.4
8.2
entry points of the LPN to the sternocostal part of PM
61.5
91.6
70.9
71.2
11.8
entry points of the MPN to the sternocostal part of PM
79.8
123.6
108.3
110.1
12.3
entry points of the MPN to the abdominal part of PM
