Sustentaculum tali

Definition

The sustentaculum tali is a horizontal shelf on the calcaneus (heel bone) that supports the talus bone of the foot. It plays a crucial role in stabilizing the arch of the foot and facilitating effective foot mechanics during movement.

Related terms

Talus: The bone in the ankle that sits above the calcaneus and below the lower leg bones, playing a key role in ankle flexibility and stability.

Calcaneus: The largest bone in the foot, known as the heel bone, which forms the foundation of the rear part of the foot.

Arch of Foot: The curved structure of the foot made up by its bones, ligaments, and tendons, primarily responsible for absorbing shock and supporting body weight during motion