Adjacent joint arthritis is a big problem with ankle fusion, so why not with first MTP fusion? The study: Radiographic changes vs. patient outcomes In an exploratory study published last month, 77 patients were followed for nearly nine years. Radiographic arthritis progression was significant in all adjacent joints, most notably the interphalangeal joint (66 of the 77 cases). The tarsometatarsal, naviculocuneiform, and talonavicular joints also showed measurable degenerative