腹ふく直ちょく筋きん

noun

rectus abdominis muscle

Anatomical term for the paired muscle running vertically on each side of the anterior abdominal wall, commonly referred to as the 'abs'.

• 腹ふく直ちょく筋きんは、いわゆる「腹ふっ筋きん」の主しゅ要ような筋きん肉にくです。

  The rectus abdominis muscle is the main muscle of the so-called 'abs'.