Hallux rigidus

Hallux rigidus
Other namesStiff big toe
Hallux not labeled but visible at upper left.
SpecialtyRheumatology, Podiatry

Hallux rigidus or stiff big toe is stifffness, or an abnormally limited range of motion, of the metatarsophalangeal joint (MTP), which is located at the base of the hallux (big toe).

Hallux flexus was initially described by Davies-Colley in 1887 as a plantar flexed posture of phalanx relative to the metatarsal head. About the same time, Cotterill first used the term hallux rigidus.

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