Fig. 3From: Lower limb joint motion and muscle force in treadmill and over-ground exerciseAnkle flexion angles in treadmill and over-ground exercises. a Ankle flexion angles during walking at 100 and 120 steps/min. b Ankle flexion angles during running at 140 and 160 steps/min. c Sagittal motion range of ankle joint in walking. d Sagittal motion range of ankle joint in runningBack to article page