Osteoarthritis is a degenerative joint condition characterized by the erosion of the cartilage.骨关节炎是一种软骨腐蚀导致的变性关节病。Bracing on its own seldom is enough to relieve all the symptoms of osteoarthritis.单靠使用支具不足以缓解骨关节炎的所有症状。Osteoarthritis often involves the first carpometacarpal joints, knee joints, and spine.骨关节炎常常发生在大拇指的腕掌关节，膝关节和脊柱。