Tendon injury

Japanese: 腱損傷 - けんそんしょう(英語表記)tendon injury
Tendon injury
When an external force causes damage such as rupture to a tendon. Tendons are bundles of tough fibers that transmit the contractile force of muscles to the skeletal system, and damage to them impairs movement. If they are completely ruptured, the muscle force can no longer be exerted, and only the movement that involves that muscle becomes impossible. This, in turn, is useful for diagnosing which tendon is ruptured. Tendons are often ruptured by direct external force (cutting with a blade, plunging into glass, etc.), but they can also rupture indirectly due to a force that causes a breakdown in the stability of the joint, that is, due to a sudden, sudden muscle contraction (such as a ruptured Achilles tendon).

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
外力などによって,腱に断裂などの損傷をきたすこと。腱は筋肉の収縮力を骨格系に伝える強靱な繊維の束なので,これが損傷をうけると運動に支障をきたす。完全に断裂すると筋肉の力がまったく作用できなくなるから,その筋肉の働く運動のみが不可能になる。このことは逆にどの腱が切れているかを診断するのに役に立つわけである。腱損傷は直接の外力(刃物で切る,ガラスの中に突っ込むなど)で切れることも多いが,関節の安定性に破綻(はたん)を生ずるような力が間接的に作用して断裂すること,つまり瞬間的な急激な筋収縮で切れることもある(アキレス腱断裂など)。

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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