腓腸筋 ひちょうきん Also written はいちょうきん Meanings Noun gastrocnemius muscle See also: 腓腹筋 (ひふくきん). Kanji 腓 calf (of leg). Read as ヒ. 腸 intestine. Read as チョウ. 筋 muscle. Read as キン. Jinuma: Japanese Dictionary · Word lists