Sports Medicine Quiz
What three bones make up the talocrural joint?
Tibia
Fibula
Talus
What movement occurs at the talocrural joint?
Plantarflextion
Dorsiflextion
What two bones make up the subtalar joint?
Talus
Calcaneus
What two movements occur at the subtalar joint?
Inversion
Eversion
What two ligaments stabilize the inferior syndesmosis?
Anterior inferior tibofibular ligament
Posterior tibofibular ligament
What are the three lateral stabilizing ligaments of the ankle?
Anterior Talofibular Ligament (ATFL)
Calcaneofibular Ligament (CFL)
Posterior Talofibular Ligament (PTFL)
What is the medial stabilizing ligament of the ankle? What does the Deltoid prevent?
Deltoid Ligament, prevents eversion
What is the ATFL? What does the ATFL prevent?
Stabilizes the ankle against the anterior translation of the talus, prevents it from moving forward
What is the CFL? What does the CFL prevent?
Stabilizes the ankle against inversion (calcaneus + fibula), prevents subtalar joint inversion
What is the PTFL? What does the PTFL prevent?
Stabilizes the ankle against the posterior translation of the talus, prevents ankle joint inversion