No, Nixon served as was the first and only President of the United States ever to the resign from office after mounting pressure from his involvement in the Watergate Scandal.
1 There are four important paired muscles in the anterior abdominal wall: three flat muscles (external oblique, internal oblique, and transversus abdominis) and one strap-like muscle (rectus abdominis).osterior Abdominal Wall. 1  The posterior abdominal wall is composed principally of muscles and fascia attached to the vertebrae, hip bones, and ribs. 2  It also contains fat, important nerves, vessels, and lymph nodes.
In Depth: Deep muscles. The abdominal muscles provide postural support, protect internal organs, and perform other important functions. The lower abdominal muscles help protect the pelvic cavity. The rectus abdominis is the large muscle in the middle portion of the abdomen.It facilitates the tilt of the pelvis and the curvature of the lower spine. Next to it on both sides of the body is the internal oblique.he deep muscles of the abdominal and pelvic region protect internal organs and perform the many complex movements of the spine, thighs, and hips. Read More.