Calcaneus
Calcaneus
The Calcaneus (pronounced: kal-KAY-nee-us), also known as the heel bone, is the largest of the tarsal bones in the human foot. It is located at the back of the foot, below the ankle and behind the cuboid bone.
Etymology
The term "Calcaneus" comes from the Latin word calcaneum, meaning heel. The word is derived from calx, which also means heel in Latin.
Anatomy
The Calcaneus is an irregularly shaped bone that serves as a lever for muscles that move the foot. It is connected to the talus bone at the subtalar joint, allowing for the movement of the foot side to side. The Achilles tendon, the strongest and largest tendon in the body, attaches to the back of the calcaneus.
Related Terms
- Talus bone: The bone in the ankle that articulates with the tibia and fibula to form the ankle joint.
- Cuboid bone: One of the seven tarsal bones in the foot, located on the lateral (outer) side of the foot.
- Achilles tendon: A tough band of fibrous tissue that connects the calf muscles to the calcaneus, allowing for walking and running.
Pathology
Injuries to the calcaneus can include fractures, which are often the result of a fall from height or a motor vehicle accident. Conditions such as plantar fasciitis and Achilles tendonitis can also affect the calcaneus.
External links
- Medical encyclopedia article on Calcaneus
- Wikipedia's article - Calcaneus
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