腹筋

I

はらすじ【腹筋】

(n,vs)

(1) sit-up;

(2) abdominal muscles

II

ふくきん【腹筋】

(n,vs)

(1) sit-up;

(2) abdominal muscles

III

ふっきん【腹筋】

(n,vs)

(1) sit-up;

(2) abdominal muscles