Figure 5From: Biomechanics of the natural, arthritic, and replaced human ankle joint Mechanism of the three rockers of the foot. Mechanism of the three rockers of the foot-to-shank motion; about the heel first, the ankle second, and the first metatarsophalangeal joint third; the corresponding pattern of dorsi- plantar-flexion is plotted over the gait cycle in level walking is also shown.Back to article page