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Kinematics of unaffected-limb joints during obstacle crossing. (A) Toe marker vertical trajectory; (B) knee extension/flexion; (C) ankle plantarflexion/dorsiflexion; (D) hip extension/flexion; (E) hip abduction/adduction; (F) hip rotation. The mean times that the unaffected-limb toe was above the obstacle in the spasticity group (81.61 ± 5.62%) and the non-spasticity group (78.68 ± 5.29%) were plotted as black and red vertical dash-dot lines, respectively.
