Abstract
Hallux rigidus is a term used to describe painful, limited motion and localized arthritis at the hallux metatarsophalangeal (MTP) joint. With early hallux rigidus, a dorsal cheilectomy can decrease pain and improve motion. With later stage disease, a hallux MTP arthrodesis is commonly chosen to decrease pain, sacrificing motion by fusing the hallux MTP joint. We present an alternative technique to arthrodesis for late stage hallux rigidus-the modified oblique Keller capsular interposition arthroplasty (MOKCIA). With this operation, the dorsal capsule of the hallux MTP joint is interposed into the joint, offering pain relief without sacrificing range of motion. Level V, expert opinion.
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