During foot supination, the fibular head moves in which direction?

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Multiple Choice

During foot supination, the fibular head moves in which direction?

Explanation:
When the foot supinates, the ankle moves into plantarflexion plus inversion. This combination causes the fibular head to glide backward at the proximal tibiofibular joint. So the fibular head moves in a posterior direction to accommodate the plantarflexion and inward turn of the foot. An anterior glide would correspond to dorsiflexion, while medial or superior movements don’t match the typical proximal fibula movement seen with this foot motion.

When the foot supinates, the ankle moves into plantarflexion plus inversion. This combination causes the fibular head to glide backward at the proximal tibiofibular joint. So the fibular head moves in a posterior direction to accommodate the plantarflexion and inward turn of the foot. An anterior glide would correspond to dorsiflexion, while medial or superior movements don’t match the typical proximal fibula movement seen with this foot motion.

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