Foot Arch Mechanics
Reviewed by Dr. Tom Biernacki, DPM, FACFAS
Board-certified foot & ankle surgeon · 3,000+ surgeries · @MichiganFootDoctors (950K+ subscribers)
Last reviewed May 8, 2026 · (810) 206-1402
Quick Answer: Three foot arches: medial longitudinal (inner side, highest), lateral longitudinal (outer side, lower), transverse (across forefoot). Together absorb shock, provide spring during push-off, adapt to terrain. Critical for foot function.
Arch Function
Lower for shock absorption, raise for propulsion. Dynamic adaptation throughout gait cycle.
FAQ
Can arches collapse?
Yes — PTTD and pregnancy commonly cause adult arch collapse.
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