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Towel Scrunch Test
Place a towel on the floor, put a bare foot on it, and scrunch the towel with the foot to assess intrinsic foot strength; cramping suggests weakness.
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“The easiest test is simply to put a towel on the floor, put your foot on a bare foot, try to scrunch up the towel with your feet.”
huberman · Build Muscle, Great Posture & Resilience to Injury | Jeff Cavaliere · May 25, 2026 · 1:42:07 · open ↗
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