筋肉(きんにく)

きんにく
noun
muscle
body-part
1. muscle
Body tissue that contracts to produce movement.
筋肉(きんにく)が痛(いた)い。
My muscles hurt.
足(あし)の筋肉(きんにく)が強(つよ)い。
The leg muscles are strong.
彼(かれ)は筋肉(きんにく)がすごい。
He has impressive muscles.
運動(うんどう)をしないと筋肉(きんにく)が落(お)ちる。
If you don't exercise, you'll lose muscle.
昨日(きのう)たくさん歩(ある)いたので、今日(きょう)は足(あし)の筋肉(きんにく)が痛(いた)い。
I walked a lot yesterday, so my leg muscles hurt today.

筋肉(きんにく) refers to muscle tissue in the body.

Common patterns

Compounds

FORMS (casual abbreviation):

Related Words

Related: 筋肉痛(きんにくつう) (muscle soreness)
Related: 筋(きん)トレ (strength training)
Related: 腹筋(ふっきん) (abdominal muscles)
Related: 骨(ほね) (bone)
Related: 肉(にく) (flesh, meat)
Related: 靭帯(じんたい) (ligament)
Compare: 背筋(はいきん) (back muscles)
Compare: 骨格筋(こっかくきん) (skeletal muscle)
basic
Added 2026.1.11 15:58 · Revised 2026.10.10 3:33
02500/02646_kinniku