13+ Muscle Of Abdomen Anatomy. The transverse abdominal muscle wraps around the torso from front to back and from the ribs to the pelvis. The external oblique is the outer visible layer.
In vertebrates, the abdomen is a large body cavity enclosed by the abdominal muscles, at front and to the sides, and by part of the vertebral column at the back.
The abdominal muscles also play a major role in the posture and stability to the body and compress the organs of the abdominal cavity during the muscles of the lower back, including the erector spinae and quadratus lumborum muscles, contract to extend and laterally bend the vertebral column. The abdominal muscles play critical roles in spinal stability, breathing, protection of your internal organs and movements of your core. The external oblique is the outer visible layer. The chart shows all muscles of the abdomen and we can help patients understand what to expect for recovery after abdominal surgery.