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Resisted inversion of the foot


The patient lies supine with the knee extended and the foot in neutral position. The examiner is distal to the foot. The contralateral hand is placed at the lateral and distal end of the leg just above the lateral malleolus. The ipsilateral hand is placed against the medial border of the foot.


Ask the subject to press the inner side of the foot against the resisting hand.

Common mistakes.

The leg is not properly stabilized and an internal rotation in the hip rather
than an inversion movement at the foot is performed.

Anatomical structures tested:

Muscle function:.

• Tibialis posterior
• Tibialis anterior
• Flexor hallucis longus
• Extensor hallucis longus
• Triceps surae.

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