Table 1 Differences in morphometric measurements between types of EHL tendon
Type I (n = 60) [mm] | Type II (n = 42) [mm] | Type III (n = 2) [mm] | p-value | |||
|---|---|---|---|---|---|---|
Subtype IIa (n = 31) [mm] | Subtype IIb (n = 5) [mm] | Subtype IIc (n = 6) [mm] | ||||
Length of the leg | 388.17 (36.66)* | 389.94 (39.06) | 402.20 (17.18) | 430.00 (2.37)* | 404.50 (55.86) | 0.0680 |
Length of the EHL belly (from the origin to the tendon). | 257.93 (29.89) | 263.84 (27.74) | 225.20 (36.81)* | 283.50 (4.04)* | 260.50 (54.45) | 0.0398 |
Length of the EHL main tendon (from the origin to the insertion) | 160.37 (26.00)† | 165.73 (20.64) | 198.62 (9.31)*† | 151.97 (2.74)* | 135.07 (31.32) | 0.0053 |
EHL tendon width (origin) | 4.22 (1.04)* | 4.50 (0.91) | 5.47 (0.72)* | 4.09 (0.50) | 3.68 (0.43) | 0.0254 |
EHL tendon thickness (origin) | 1.86 (0.58)* | 2.17 (0.51) *†‡ | 1.42 (0.27) | 1.65 (0.33)† | 0.89 (0.04)‡ | 0.0003 |
Width of the EHL main tendon in ExP | 5.88 (1.18)* | 5.65 (1.28)* | 5.49 (2.54) | 3.69 (0.32)* | 3.54 (0.04) | 0.0009 |
Thickness of the EHL main tendon in ExP | 1.82 (0.58)* | 1.87 (0.77)* | 1.58 (0.40) | 1.09 (0.10) | 1.33 (0.16) | 0.0098 |
Distance between branching and attachment of the second band | – | 3.83 (1.74) | – | – | 7.97 (0.26) | 0.0260 |