筋痙攣 (きんけいれん) Japanese meaning | KotomoraMeanings
1
noun
muscle spasm; cramp
Medical and everyday term for a sudden, involuntary muscle contraction. 筋痙攣 is the formal kanji form, but 筋けいれん or きんけいれん are common in practice.
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Muscle spasms are often caused by dehydration or fatigue.
