Table 2.
Comparison of morphometric parameters according to subscapularis muscle type.
| Parameter | Muscle belly type | p value | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | V | VI | VII | VIII | IX | ||
| Humerus length | 251.21 (-) | 255.90 (0.01) | 250.46 (16.11) | 254.23 (30.03) | 259.02 (30.33) | 271.55 (25.68) | 275.89 (0.46) | 265.32 (-) | 271.16 (0.07) | 0.4412 |
| Distance between superior and inferior angle | 162.35 (-) | 150.85 (0.18) | 143.00 (12.63) | 148.48 (22.49) | 161.13 (20.07) | 157.73 (9.71) | 164.88 (0.33) | 164.23 (-) | 154.25 (0.35) | 0.0853 |
| Distance between inferior angle and lesser tubercle | 195.04 (-) | 154.17 (0.22) | 161.76 (13.55) | 158.86 (12.68) | 179.47 (21.32) | 166.43 (18.84) | 194.90 (0.41) | 195.78 (-) | 172.25 (0.10) | 0.0181 |
| Distance between inferior angle and greater tubercle | 199.98 (-) | 176.71 (0.71) | 176.07 (13.22) | 176.08 (14.89) | 179.89 (34.50) | 190.89 (11.86) | 204.33 (0.33) | 201.21 (-) | 186.66 (0.50) | 0.0957 |
| Distance between superior angle and lesser tubercle | 121.34 (-) | 99.71 (0.71) | 112.74 (12.90) | 119.05 (11.50) | 116.93 (16.63) | 108.27 (10.06) | 124.76 (0.17) | 123.32 (-) | 119.10 (0.27) | 0.2606 |
| Distance between superior angle and greater tubercle | 127.65 (-) | 120.55 (0.64) | 121.88 (27.73) | 132.97 (12.16) | 126.60 (17.21) | 122.56 (13.01) | 140.72 (0.25) | 128.32 (-) | 127.68 (0.66) | 0.3850 |
| Length of the 1st muscle belly | 116.81 (-) | 85.58 (0.04) | 87.19 (12.64) | 84.04 (14.13) | 88.77 (11.32) | 91.18 (10.98) | 80.87 (0.01) | 76.21 (-) | 78.14 (0.04) | 0.4141 |
| Height of the 1st muscle belly | 121.69 (-) | 11.29 (0.02) | 37.07 (7.35) | 28.99 (9.59) | 38.22 (14.21) | 16.47 (6.71) | 17.94 (0.10) | 16.77 (-) | 17.69 (0.04) | 0.0000 |
| Height of the 1st muscle belly at 1/2 length | 71.03 (-) | 15.97 (0.06) | 24.65 (6.59) | 19.49 (7.29) | 20.00 (4.49) | 13.53 (8.56) | 14.97 (0.07) | 14.33 (-) | 100.66 (0.01) | 0.0064 |
| Length of the 2nd muscle belly | 82.37 (0.06) | 98.51 (24.34) | 96.81 (16.07) | 106.66 (16.11) | 77.44 (44.46) | 98.89 (0.02) | 95.21 (-) | 12.46 (0.12) | 0.1333 | |
| Height of the 2nd muscle belly | 28.55 (0.01) | 38.12 (10.40) | 29.75 (9.98) | 26.35 (7.18) | 22.37 (14.56) | 20.71 (0.07) | 19.21 (-) | 22.19 (0.18) | 0.0049 | |
| Height of the 2nd muscle belly at 1/2 length | 26.84 (0.52) | 22.45 (6.02) | 19.60 (6.90) | 17.81 (8.32) | 15.45 (9.77) | 14.32 (0.01) | 14.12 (-) | 9.92 (0.25) | 0.0526 | |
| Length of the 3rd muscle belly | 104.96 (0.08) | 122.15 (16.06) | 110.26 (18.00) | 121.64 (17.95) | 113.48 (17.84) | 103.50 (0.09) | 100.21 (-) | 116.78 (0.03) | 0.1561 | |
| Height of the 3rd muscle belly | 49.88 (0.47) | 35.55 (7.72) | 29.11 (8.67) | 37.22 (24.99) | 21.80 (16.15) | 19.13 (0.11) | 18.21 (-) | 23.19 (0.34) | 0.0403 | |
| Height of the 3rd muscle belly at 1/2 length | 23.46 (0.35) | 24.96 (5.02) | 17.73 (5.62) | 15.45 (4.88) | 13.78 (7.83) | 12.94 (0.09) | 12.11 (-) | 8.20 (0.01) | 0.0001 | |
| Length of the 4th muscle belly | 109.18 (0.06) | 120.92 (16.06) | 126.04 (15.18) | 117.63 (8.76) | 113.34 (0.13) | 112.32 (-) | 115.73 (0.84) | 0.5402 | ||
| Height of the 4th muscle belly | 26.79 (0.03) | 30.85 (4.84) | 25.42 (7.86) | 17.89 (11.79) | 15.27 (0.08) | 14.56 (-) | 15.74 (0.43) | 0.0108 | ||
| Height of the 4th muscle belly in 1/2 length | 21.84 (0.08) | 22.35 (6.00) | 19.36 (4.83) | 11.24 (6.23) | 11.89 (0.18) | 11.21 (-) | 8.58 (0.05) | 0.0052 | ||
| Length of the 5th muscle belly | 123.96 (8.85) | 114.25 (5.27) | 120.31 (0.17) | 113.21 (-) | 115.55 (0.08) | 0.1084 | ||||
| Length of the 5th muscle attached to belly | 42.21 (-) | 43.41 (1.76) | 0.8942 | |||||||
| Height of the 5th muscle belly | 23.36 (3.82) | 15.76 (7.40) | 19.11 (0.01) | 18.87 (-) | 14.44 (0.18) | 0.0605 | ||||
| Height of the 5th muscle belly at 1/2 length | 26.24 (5.68) | 14.29 (6.26) | 12.83 (0.08) | 12.21 (-) | 9.90 (0.12) | 0.0275 | ||||
| Length of the 6th muscle belly | 119.03 (0.25) | 121.88 (0.18) | 119.23 (-) | 123.00 (0.04) | 0.1283 | |||||
| Height of the 6th muscle belly | 23.54 (0.15) | 11.91 (0.05) | 11.22 (-) | 12.13 (0.02) | 0.1283 | |||||
| Length of the 7th muscle belly | 20.42 (0.30) | 8.88 0.01 (-) | 87.21 (-) | 10.57 (0.04) | 0.1283 | |||||
| Height of the 7th muscle belly | 118.05 (0.11) | 17.87 (-) | 114.35 (0.52) | 0.1653 | ||||||
| Height of the 7th muscle belly at 1/2 length | 10.32 (0.01) | 14.92 (-) | 15.33 (0.01) | 0.1653 | ||||||
| Length of the 8th muscle belly | 6.16 (0.02) | 98.87 (-) | 6.68 (0.35) | 0.1653 | ||||||
| Height of the 8th muscle belly | 20.66 (-) | 86.60 (0.53) | 0.0010 | |||||||
| Height of the 8th muscle belly at 1/2 length | 14.33 (-) | 17.25 (0.08) | 0.6254 | |||||||
| Length of the 9th muscle belly | 15.46 (0.35) | — | ||||||||
| Mean cross-sectional area | 8758.66 (-) | 6181.43 (1.52) | 7621.12 (1190.27) | 9307.43 (5682.75) | 8326.01 (1854.78) | 9686.83 (818.91) | 8898.31 (19.36) | 9300.11 (-) | 9463.04 (3.79) | 0.0223 |