The calcaneofibular ligament is a narrow, rounded cord, running from the tip of the
lateral malleolus of the
fibula downward and slightly backward to a tubercle on the lateral surface of the
calcaneus
In humans and many other primates, the calcaneus (; from the Latin ''calcaneus'' or ''calcaneum'', meaning heel; : calcanei or calcanea) or heel bone is a bone of the Tarsus (skeleton), tarsus of the foot which constitutes the heel. In some other ...
. It is part of the
lateral collateral ligament, which opposes the hyperinversion of the
subtalar joint
In human anatomy, the subtalar joint, also known as the
talocalcaneal joint, is a joint of the foot. It occurs at the meeting point of the talus and the calcaneus.
The joint is classed structurally as a synovial joint, and functionally as a pl ...
, as in a common type of
ankle sprain
A sprained ankle (twisted ankle, rolled ankle, turned ankle, etc.) is an injury where sprain occurs on one or more ligaments of the ankle. It is the most commonly occurring injury in sports, mainly in ball sports (basketball, volleyball, and foot ...
.
It is covered by the tendons of the
fibularis longus and
brevis muscles.
Clinical significance
The calcaneofibular ligament is commonly
sprained ligament
A ligament is a type of fibrous connective tissue in the body that connects bones to other bones. It also connects flight feathers to bones, in dinosaurs and birds. All 30,000 species of amniotes (land animals with internal bones) have liga ...
in ankle injuries.
It may be injured individually, or in combination with other ligaments such as the
anterior talofibular ligament and the
posterior talofibular ligament.
References
Further reading
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External links
*
* —Calcaneofibular ligament injury
* ()
*
Ligaments of the lower limb
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