A large group of muscles in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. Abdominal muscles play a key role in exercises such as "sit-ups." They are informally called the "abs".

The abdominal muscles are a group of muscles that extend from various places on the ribs to various places on the pelvis.  They provide movement and support to the trunk, often called the core.  They [..]

Important for support of the spine, these muscles are the rectus abdominis, external oblique, internal oblique, and transversus.

The large group of muscles that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeps other abdominal organs and intestines in place.

A flat sheet of muscles on the front of the abdomen, between the ribcage and the pelvis.

Muscles forming the Abdominal Wall including Rectus Abdominis, external and internal oblique Muscles, transversus abdominis, and quadratus abdominis. (from Stedman, 25th ed)

Muscles forming the ABDOMINAL WALL including RECTUS ABDOMINIS, external and internal oblique muscles, transversus abdominis, and quadratus abdominis. (from Stedman, 25th ed)

A large group of muscles in the front of the abdomen that assists in the regular breathing movement and supports the muscles of the spine while lifting and keeping abdominal organs such as the intestines in place. (12 Dec 1998)