Calcaneus

Definition

The calcaneus, also known as the heel bone, is the large bone forming the foundation of the rear part of the foot. It serves as the main point of attachment for the Achilles tendon and supports the weight and stress of walking, running, and jumping.

Related terms

Achilles tendon: A tough band of fibrous tissue that connects the calf muscles to the calcaneus bone, facilitating foot and ankle movements.

Tarsal bones: A group of seven bones located in the foot between the lower leg bones (tibia and fibula) and metatarsals, including the calcaneus.

Plantar fasciitis: An inflammation of a thick band of tissue (the plantar fascia) that runs across the bottom of your foot connecting your heel bone to your toes, often causing heel pain