伸筋 しんきん noun (common) (futsuumeishi) 伸筋しんきん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) anatomy extensor (muscle);protractor See also: 屈筋 (くっきん) 漢字 kanji used 伸 expand, stretch 7画 筋 muscle, sinew 12画
伸筋しんきん Noun English JMdict (multilingual) 1 noun (common) (futsuumeishi) anatomy extensor (muscle);protractor See also: 屈筋 (くっきん)