Anatomy Of Lower Abdominal Muscle. Its main roles are to stabilize the trunk and maintain internal abdominal pressure. The Abdominal muscles sit on the front and sides of the lower half of the torso originating along the rib cage and attaching along the pelvis.
It runs from the inner surface of the lower costal cartilages thoracolumbar fascia iliopectineal arch and iliac crest horizontally to the linea alba. The abdominal muscles are the muscles forming the abdominal walls the abdomen being the portion of the trunk connecting the thorax and pelvisAn abdominal wall is formed of skin fascia and muscle and encases the abdominal cavity and viscera. Anatomy of the Abdominal Muscles.
In the rear of the abdomen are the back muscles.
Anatomy of the Abdominal Muscles. The Abdominals are composed of several muscles. These muscles help the body bend at the waist. The majority of the anterior abdominal wall is formed by the rectus abdominis muscle.
