hallux valgus

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Permanent lateral (outward) displacement of the great toe in which the sesamoid bones under the head of the first metatarsal are displaced so that they lie between the first and second metatarsal. Normally, the great toe can be angled outwards by 10°, but in hallux valgus the displacement is greater. It is a common disorder in those who wear pointed toes or who exhibit excessive pronation.

Subjects: Sports and Exercise Medicine.

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