[Treatment algorithm proposed for hallux rigidus]

Hallux rigidus is the most frequent arthrosis of the foot and ankle and the second most important condition involving the first metatarsophalangeal joint after hallux valgus. If left untreated, it may cause important alterations in gait, mobility and activities of daily living. The purpose of this review article is to describe a complete treatment algorithm for all grades of this condition, after a thorough bibliographic review.