clasp knife phenomenon

Japanese: clasp knife phenomenon(英語表記)claspknifephenomenon
clasp knife phenomenon

...In other words, the stretch reflex is in an enhanced state. In a typical example, the resistance suddenly disappears when it becomes strong to a certain extent (clasp knife phenomenon). Muscle spasticity occurs in disorders of the pyramidal system, which controls voluntary movement, such as hemiplegia due to stroke or paraplegia due to spinal cord injury.

*Some of the terminology that refers to the "clasp knife phenomenon" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…つまり伸展反射の亢進した状態になっている。典型的な例では,ある程度抵抗が強くなったところで急激に抵抗がなくなる〈折りたたみナイフ現象clasp knife phenomenon〉がみられる。筋痙縮は,脳卒中による片麻痺や脊髄損傷による対麻痺など,随意運動をつかさどる錐体路系の障害で出現する。…

※「clasp knife phenomenon」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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