Table 1.

Distance Measurements Between PM Insertion Points on the Humerus ^a

Measurement PM Footprint Length (Superior to Inferior)	Distance, mm
SH insertion of PM tendon	42.1 (32.9-51.4)
CH insertion of PM tendon	56.6 (46.5-66.7)
Distance from proximal border of SH-to-CH insertions of PM tendon	24.9 (11.92-38.0)
Overlapping tendon (between SH and CH insertions)	27.9 (18.4-37.5)
Total PM insertion	81.4 (71.4-91.3)

^a Data are presented as mean (95% CI). CH, clavicular head of the PM; PM, pectoralis major; SH, sternal head of the PM.