Ankle Joint Flashcards
Anterior Talofibular Ligament (ATFL)
Origin:
It originates from the anterior margin of the lateral malleolus (fibula).
Attachment:
It attaches to the talus bone.
Function:
The ATFL provides stability to the front of the ankle joint and helps prevent excessive forward (anterior) movement of the foot relative to the leg. It is one of the most commonly injured ankle ligaments in cases of ankle sprains.
Calcaneofibular Ligament (CFL)
Origin:
It arises from the lateral malleolus (fibula).
Attachment:
It attaches to the calcaneus bone (heel bone).
Function:
The CFL reinforces the lateral aspect of the ankle joint and assists in preventing excessive inversion (turning the sole inward) of the foot. It plays a crucial role in maintaining lateral ankle stability.
Posterior Talofibular Ligament (PTFL)
Origin:
It originates from the posterior aspect of the lateral malleolus (fibula).
Attachment:
It attaches to the talus.
Function:
The PTFL provides stability to the rear of the ankle joint and helps prevent excessive backward (posterior) movement of the foot relative to the leg
Deltoid Ligament
Origin:
The deltoid ligament is a complex structure consisting of several ligamentous bands. The superficial deltoid fibers originate from the anterior part of the medial malleolus (tibia), while the deep deltoid fibers originate from the posterior part of the medial malleolus and the medial talus.
Attachment:
It attaches to various points on the medial side of the talus, calcaneus, and navicular bones.
Function:
The deltoid ligament provides medial stability to the ankle joint, preventing excessive eversion (turning the sole outward) of the foot. It is a strong ligament that supports the inner side of the ankle.