hallux rigidus

anatomy ankle arthritis arthrosis big bone bunion care cartilage deformation deformity diagram disease dorsal erosion exostosis first foot forefoot hallux health illustration image inflammation injury joint limit limitus medicine metatarsal metatarsalgia orthopedic osteoarthritis osteophyte pain podiatry rheumatism rheumatoid rigid rigidus spur surgery therapy toe trauma turf valgus vector