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A transverse section of the abdomen in the lumbar region showing abdominal muscles.

Transverse Section of the Abdomen

A transverse section of the abdomen in the lumbar region showing abdominal muscles.

Muscles of the back. Labels: 50, latissimus dorsi; 51, trapezius; 52, deltoid. The muscles of the back are in 5 layers, one beneath another. The two largest and most superficial are the trapezius and the latissimus dorsi.

Muscles of the Chest and Abdomen

Muscles of the back. Labels: 50, latissimus dorsi; 51, trapezius; 52, deltoid. The muscles of the back…

Transition of the tendon of the right internal oblique into the sheath of the rectus.

Transition of the Oblique Muscle into the Rectus

Transition of the tendon of the right internal oblique into the sheath of the rectus.

The external oblique muscles

External Oblique Muscles

The external oblique muscles

The internal oblique muscles

Internal Oblique Muscles

The internal oblique muscles