Effect of a Semirigid Ankle Brace on the In Vivo Kinematics of Patients with Functional Ankle Instability during the Stance Phase of Walking
Table 2
Range of motion of the talocrural and subtalar joints during the stance phase of walking.
ROM
Talocrural Joint
Subtalar Joint
Rotation (°)
Displacement (mm)
Rotation (°)
Displacement (mm)
DF/PF
EV/IV
ER/IR
A/P
L/M
P/D
DF/PF
EV/IV
ER/IR
A/P
L/M
P/D
Control
15.38±6.72
3.99±1.96
8.00±2.52
1.00±0.30
1.37±0.37
1.65±0.81
7.60±3.49
8.76±2.43
8.14±2.65
2.83±0.87
2.47±0.95
1.74±0.90
FAI without brace
19.89±7.19
4.72±2.19
9.26±2.98
1.62±0.58
2.20±0.85
1.71±0.63
7.23±2.80
12.98±2.53
8.18±3.54
2.56±0.52
4.06±1.95
2.12±0.62
FAI with brace
19.34±4.20
3.31±0.78
7.65±3.32
1.72±0.58
2.71±0.94
1.79±0.60
7.97±2.51
8.33±2.92
6.27±1.82
3.31±1.10
5.12±2.48
2.13±0.61
DF/PF, dorsiflexion/plantarflexion; EV/IV, eversion/inversion; ER/IR, external rotation/internal rotation; A/P, Anterior/posterior displacement; L/M, lateral/medial displacement; P/D, proximal/distal displacement. Mean ROM and their SD were listed in Table 2.