Muscle fatigue - Kinnikuhiro

Japanese: 筋肉疲労 - きんにくひろう
Muscle fatigue - Kinnikuhiro


[Biological reactions caused by fatigue]
From the viewpoint of viewing fatigue as a general phenomenon of biological defense, that is, the maintenance of homeostasis between the external environment surrounding humans and the living body, there are several theories about the mechanism of fatigue occurrence. These include the lactic acid fatigue theory and the energy depletion theory regarding muscle fatigue. (1) Lactic acid fatigue theory This theory is based on the inhibitory effect of lactic acid on muscle contraction, and posits that when muscles are repeatedly exercised without being supplied with oxygen, the amount of lactic acid in the muscles increases, and when it reaches a certain amount, the muscles become rigid and can no longer move.

*Some of the terms that refer to "muscle fatigue" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[疲労によって生ずる生体反応]
 疲労を,人間をとりまく外環境と生体のホメオスタシスの維持,すなわち生体防衛の一般現象としてとらえる立場から,疲労の発生メカニズムについて,いくつかの説がある。筋肉疲労に関する乳酸疲労説やエネルギー消耗説と呼ばれているものがそれである。(1)乳酸疲労説 乳酸の筋収縮抑制作用にもとづいたもので,筋肉に酸素を供給しないで繰り返し運動させると筋肉内に乳酸が増加し,それが一定量に達すると筋肉は硬直状態になり,運動しなくなるという説である。…

※「筋肉疲労」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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