Which arch is primarily supported by a Thomas heel modification?

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Multiple Choice

Which arch is primarily supported by a Thomas heel modification?

Explanation:
The Thomas heel is a heel modification designed to support the inside of the foot. By building up the medial side of the heel, it raises and stabilizes the medial longitudinal arch, helping to control overpronation and maintain arch height during stance. Because its purpose is to reinforce the medial column of the foot, the primary arch affected is the medial longitudinal arch. The lateral longitudinal arch and the transverse arch aren’t the main targets of this modification, which is why they aren’t the focus of its design.

The Thomas heel is a heel modification designed to support the inside of the foot. By building up the medial side of the heel, it raises and stabilizes the medial longitudinal arch, helping to control overpronation and maintain arch height during stance. Because its purpose is to reinforce the medial column of the foot, the primary arch affected is the medial longitudinal arch. The lateral longitudinal arch and the transverse arch aren’t the main targets of this modification, which is why they aren’t the focus of its design.

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