In ankle inversion testing, which distal landmark is used?

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Multiple Choice

In ankle inversion testing, which distal landmark is used?

Explanation:
Measuring ankle inversion uses a distal reference that stays aligned with the foot’s long axis, so the distal landmark chosen is the distal midline of the second metatarsal. This line runs through the center of the foot and remains stable as the foot inverts or everts, giving a consistent reference for the distal segment. Using the third, fourth, or fifth metatarsal would place the reference off the foot’s midline and make the measurement vulnerable to toe position or deformities, leading to less reliable ROM values. Aligning with the second metatarsal provides a repeatable measure of movement at the ankle/subtalar area by minimizing toe contribution.

Measuring ankle inversion uses a distal reference that stays aligned with the foot’s long axis, so the distal landmark chosen is the distal midline of the second metatarsal. This line runs through the center of the foot and remains stable as the foot inverts or everts, giving a consistent reference for the distal segment. Using the third, fourth, or fifth metatarsal would place the reference off the foot’s midline and make the measurement vulnerable to toe position or deformities, leading to less reliable ROM values. Aligning with the second metatarsal provides a repeatable measure of movement at the ankle/subtalar area by minimizing toe contribution.

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