Design and preliminary verification of a novel powered ankle–foot prosthesis: From the perspective of lower-limb biomechanics compared with ESAR foot
Fig 5
Lower-limb joints’ angles in the sagittal plane on the affected side.
(a) right ankle angle; (b) right knee angle; (c) right hip angle. DF: dorsiflexion, PF: plantarflexion, Flex: flexion, Ext: extension.