fallen arch

noun

noun

Plural normally An instance of flat feet that results from the arch of the foot collapsing.

We sing this to our baffled clients who can't believe that a fallen arch can cause a back spasm.2003, Jim Wharton, Phil Wharton, The Wharton's Back Book, →ISBN, page 26:
Many people with fallen arches have no symptoms, but others experience fatigue, pain, or stiffness in the feet, legs, and lower back.2005, Anthony L. Komaroff, Harvard Medical School Family Health Guide, →ISBN:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.