Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
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.
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