Which abdominal wall muscle inserts on the 10th to 12th ribs and rectus sheath?

Question

Quizplus · Accepted Answer

The internal abdominal oblique muscle inserts on the 10th to 12th ribs and the rectus sheath, making it the best choice for this question. The external abdominal oblique inserts on the 5th to 12th ribs and the iliac crest, while the rectus abdominis inserts on the pubic crest and symphysis. The transversus abdominis inserts on the linea alba and pubic crest, and the quadratus lumborum inserts on the iliac crest and transverse processes of the lumbar vertebrae, so neither of these options fit the description given in the question.

Which Abdominal Wall Muscle Inserts on the 10th to 12th