QUESTION IMAGE
Question
what is the close - packed position of the ankle?
a) dorsiflexion
b) plantar flexion
c) inversion
d) supination
The close - packed position of a joint is the position where the joint surfaces are maximally congruent, and the ligaments are maximally taut. For the ankle joint, the close - packed position is dorsiflexion. In dorsiflexion, the talus is maximally wedged into the mortise formed by the tibia and fibula, leading to maximum joint surface contact and ligament tightness. Plantar flexion is the loose - packed position for the ankle. Inversion and supination are not the close - packed positions of the ankle (inversion is a movement of the foot around the longitudinal axis, and supination is more related to the forearm or foot - ankle complex in a different context, not the close - packed position of the ankle joint).
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a) Dorsiflexion