Research Article

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 JointSubtalar Joint
Rotation (°)Displacement (mm)Rotation (°)Displacement (mm)

DF/PFEV/IVER/IRA/PL/MP/DDF/PFEV/IVER/IRA/PL/MP/D
Control15.38±6.723.99±1.968.00±2.521.00±0.301.37±0.371.65±0.817.60±3.498.76±2.438.14±2.652.83±0.872.47±0.951.74±0.90
FAI without brace19.89±7.194.72±2.199.26±2.981.62±0.582.20±0.851.71±0.637.23±2.8012.98±2.538.18±3.542.56±0.524.06±1.952.12±0.62
FAI with brace19.34±4.203.31±0.787.65±3.321.72±0.582.71±0.941.79±0.607.97±2.518.33±2.926.27±1.823.31±1.105.12±2.482.13±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.