Which muscles oppose foot inversion?

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Prepare for the NHI Eastern Kinesiology Test with our comprehensive quiz. Utilize flashcards and multiple-choice questions, complete with hints and detailed explanations. Ready yourself for success!

Multiple Choice

Which muscles oppose foot inversion?

Explanation:
When you invert the foot, the sole turns inward, so the opposing muscles are those that evert the foot. The primary everter is the peroneus longus, which runs along the outer side of the leg and pulls the foot outward. The extensor digitorum longus also crosses the ankle and can contribute to eversion while it dorsiflexes the ankle and extends the toes. Together, these two muscles provide the strongest counteraction to inversion. In contrast, the tibialis posterior and tibialis anterior are invertors, so they would not oppose inversion.

When you invert the foot, the sole turns inward, so the opposing muscles are those that evert the foot. The primary everter is the peroneus longus, which runs along the outer side of the leg and pulls the foot outward. The extensor digitorum longus also crosses the ankle and can contribute to eversion while it dorsiflexes the ankle and extends the toes. Together, these two muscles provide the strongest counteraction to inversion. In contrast, the tibialis posterior and tibialis anterior are invertors, so they would not oppose inversion.

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