Achilles' tendon

Achilles' tendon, tendon at the back of the ankle joining the bone of the heel to the muscles of the calf. It plays a critical role in the ability to walk, run, and stand on the toes. It is commonly injured in strenuous athletics. The name comes from the mythical Greek warrior, Achilles, who was vulnerable only in the heel.

See also: Achilles; Ankle; Tendon.