arthrokinematic movements (convex on concave) ankle dorsiflexion talocrural joint: post glide of the talus on the ankle mortise inferior tibiofibular joint: separation (distraction) from and anterior glide of the distal fibula on the distal tibia ankle plantarflexion anterior glide of the talus on the ankle mortise posteromedial glide and approximation of the distal fibula onthe distal tibia