筋きん緊きん張ちょう症しょうMeaningsNounNo-adjective1. myotoniaKanji used筋muscle緊tense張lengthen症medical conditionComposed of筋きんmuscleNoun緊きん張ちょうtension; strain; nervousness; stress; tensions (between countries, groups, etc.); tonus; muscle toneNoun症しょうillness; condition; -pathySuffix