上腕三頭筋 じょうわんさんとうきん Meanings Noun triceps brachii muscle Kanji 上 up. Read as ジョウ. 腕 arm. Read as ワン. 三 three. Read as サン. 頭 head. Read as トウ. 筋 muscle. Read as キン. Jinuma: Japanese Dictionary · Word lists