MRCP UK EXAMINATIONS

Detailed explanation-1: -The abdominal external oblique muscle (also external oblique muscle, or exterior oblique) is the largest and outermost of the three flat abdominal muscles of the lateral anterior abdomen.

Detailed explanation-2: -3 flat muscles on the anterolateral side arranged from superficial to deep; external abdominal oblique, internal abdominal oblique, transversus abdominis.

Detailed explanation-3: -The external oblique muscles allow the trunk to twist, but to the opposite side of whichever external oblique is contracting. For example, the right external oblique contracts to turn the body to the left. internal oblique muscles – these flank the rectus abdominis and are located just inside the hipbones.