Ankle joint Flashcards
What type of joint is the ankle joint?
Synovial
Hinge type
What are the artculating surfaces of the ankle joint?
Tibia
Fibula
Talus
What are the articulating surfaces covered with?
Hyaline cartilage
What holds the tibia and fibula together?
Tibiofibular ligaments
What do the tibia anf fibula form?
A bracket shaped socket
for the talus to fit into
What are the ligaments of the ankle joint?
Medial ligament
Lateral ligament
How many ligaments is the medial ligament made up of?
Four
What is the medial ligament made up of?
Anterior tibiotalar
Posterior tibiotalar
Tibiocalcaneal
Tibionavicular
What is the function of the medial ligament?
Resist over-eversion of foot
How many ligaments is the lateral ligament made up of?
Three
What is the lateral ligament made up of?
Anterior talofibular
Posterior talofibular
Calcaneofibular
What is the function of the lateral ligament?
Resist over-inversion of the foot
Where does the medial ligament attach?
Medial malleolus
Tarsal bones
What is the medial ligament also known as?
Deltoid ligament
Where does the lateral ligament attach?
Lateral malleolus
Tarsal bones
NOT INVERSION-EVERSION BECAUSE THAT OCCURS AT SUBTALAR JOINT