上 腕 二 頭 筋(じょうわんにとうきん)

じょうわんにとうきん

noun

biceps; biceps muscle

1. biceps; biceps muscle

The large muscle on the front of the upper arm that flexes the elbow; the biceps. An anatomical term that is also common in fitness contexts.

上腕二頭筋(じょうわんにとうきん)を鍛(きた)える。

Train the biceps.

When you bend your arm, the biceps bulges.

In the motion of lifting heavy objects, the biceps works hard.

上腕(じょうわん) (upper arm) + 二頭(にとう) (two-headed) + 筋(きん) (muscle). The muscle you flex to make a "muscle bump."

Related Words

general

Added 2026.7.10 21:26 · Revised 2026.10.11 9:21

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