A spasm is a sudden, uncontrollable contraction or tightening of a muscle. It can occur in any muscle in the body and often leads to temporary pain, discomfort, or stiffness. Spasms can be caused by various factors, including muscle fatigue, dehydration, electrolyte imbalances, or underlying medical conditions such as muscle strain or nerve irritation. They can range from mild twitches to more intense, painful contractions. Treatment for spasms typically involves rest, hydration, stretching, and sometimes over-the-counter pain relievers or muscle relaxants, depending on the intensity and underlying cause.

英語での「spasm」の定義と意味

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