4. Ankle sprains are commonly caused by inversion of the subtalar joint. Eversio

Question

4. Ankle sprains are commonly caused by inversion of the subtalar joint. Eversion sprains are very rare, in part because of the particularly strong deltoid ligament. What FOUR ligaments make up the deltoid ligament, and what bony landmark helps to prevent eversion sprains?

5. As a follow up to question #4, it is also very important to limit excessive eversion during this movement in order to maintain efficiency of the jump. Please identify 4 muscles that would be involved in limiting excessive eversion.

Explanation / Answer

4. What 4 ligaments make up the deltoid ligament ?

answer- anterior tibiotalar ligament, tibiocalcaneal ligament, posterior tibiotalar ligament and the tibionavicular ligament

bony landmark that prevents eversion sprains is the fibula bone and lateral malleolus.

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5. Four muscles involved in preventing excessive eversion ?

answer - tibialis anterior , tibialis posterior, fibularis longus and fibularis brevis

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