abdominal external oblique muscle
Anatomical term for the outermost of the three flat abdominal muscles, running diagonally downward and inward.
The external oblique muscle is one of the abdominal muscles and is involved in twisting the torso.
Compound of 外 (outside) + 腹 (abdomen) + 斜 (oblique) + 筋 (muscle), directly describing its location and fiber direction.