noun🔗Share伸筋A muscle whose contraction extends or straightens a limb or body part."The doctor checked the extensor muscle in my arm by asking me to straighten my elbow against his resistance. "医者は、抵抗に逆らって肘を伸ばすように頼むことで、私の腕の伸筋を調べました。anatomymedicinephysiologybodyorganChat with AIVocabulary GamePractice Reading
