…There are various types of joints, such as ball-and-socket joints, ellipsoid joints, saddle joints, and hinge joints, and these types of joints determine the mechanical functions of each joint. In some of these joints, strong, string-like ligaments (intra-articular ligaments) connect the two joint surfaces within the joint cavity. Even in joints with high mobility, the bones do not move beyond a certain range due to the shape of the joint surfaces themselves, as well as the combined strong binding action of the joint capsule, intra-articular ligaments, various external ligaments, and negative pressure within the joint cavity. … *Some of the terminology that mentions "intra-articular ligaments" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…このような関節の形態には球関節,楕円体関節,鞍(くら)関節,蝶番(ちようばん)関節など種々の型が区別され,こうした形態がそれぞれの関節の機械的な機能の基となる。これらの関節には,関節腔の中で強固なひも状の靱帯(関節内靱帯)が両方の関節面を結びつけているものもある。可動性の激しい関節でも骨と骨とが一定の範囲以上に動くことがないのは,関節面そのものの形態によるほか,上記の関節包,関節内靱帯,種々の外部の靱帯,関節腔内の陰圧などの総合された強い結合作用によるところが大きい。… ※「関節内靱帯」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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