Constipation can last from days to months, with interludes of diarrhea or normal bowel function. Stools are often hard and may be described as pellet shaped in at least 25% of bowel movements, or Bristol Stool Form Scale 1-2 (separate hard lumps like nuts that are difficult to pass, or sausage shaped but lumpy).
The external abdominal oblique muscle is the largest and most superficial of the 3 paired, flat abdominal muscles. It arises from the lower 8 ribs and interdigitations of the serratus anterior muscle.
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.