What Is a Compensating Action at the Subtalar Joint When

What is a compensating action at the subtalar joint when structural or functional deformities exist in the foot or leg?

A) Excessive pronation during the stance phase will cause the midtarsal joint to remain unlocked, resulting in an excessively loose foot.
B) At heel strike in prolonged or excessive supination, the midtarsal joint will lock, causing the foot to remain excessively loose.
C) Excessive supination limits tibial external rotation.
D) Prolonged pronation will not allow the foot to resupinate in time to provide a rigid lever for heel strike.
E) In the pronated position, the peroneus longus tendon loses its ability to stabilize the first ray, making it hypomobile.

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