劍橋詞典relating to the joining of the carpus and metacarpus bones of the hand 腕掌的 Osteoarthritis often involves the first carpometacarpal joints , knee joints , and spine . 骨關節(jié)炎常常發(fā)生在大拇指的腕掌關節(jié)，膝關節(jié)和脊柱。 返回 carpometacarpal