The proximal humeral locking plate positioning to the pectoralis major tendon in achieving the proper calcar screw location: a cadaveric study

Table 2 The association of anatomical landmarks of Pectoralis Major Tendon and PHILOS™ plate

Parameters	Mean ± SD (mm)	Minimum–Maximum (mm)
1.Total length of PMT	60.73 ± 7.89	47.29–77.16
1.1 Length of clavicular head of PMT	45.79 ± 7.94	35.44–59.17
1.2 Length of sternal head of PMT	15.00 ± 4.89	5.88–27.01
2.Thickness of PMT	2.26 ± 0.88	0.97–4.69
3.Distance from humeral head to tip of GT	7.84 ± 1.67	4.95–11.72
4.Distance from humeral head to UB-PMT	61.32 ± 11.23	37.74–83.71
5.Distance from UB-ECH to UB-PMT
5.1 when calcar screw closed to inferior cortex of humeral head	− 4.50 ± 7.95	− 14.38–19.71
5.2 when calcar screw was inserted 12 mm above inferior cortex of the humeral head	6.62 ± 7.53	− 5.40–27.47

PMT Pectoralis Major Tendon, GT Greater tuberosity, UB-ECH Upper border of Elongated Combi-hole of PHILOS™ plate, UB-PMT Upper border of Pectoralis Major Tendon;
− (minus) when UB-ECH was lower than UB-PMT, distances were presented with a minus

ISSN: 1749-799X