Anatomy Of Stomach Muscles

The stomach receives food from the esophagus. As food reaches the end of the esophagus it enters the stomach through a muscular valve called the lower esophageal sphincter.

External Oblique Aponeurosis Linea Alba 02 Abdominal

The stomach secretes acid and enzymes that digest food.

Anatomy of stomach muscles. Other important abdominal muscles include. These muscles work together to protect the internal organs viscera by covering them completely. The abdominals are composed of a number of musclesthe rectus abdominis the transverse abdominis and the external and internal obliques.

Acting together these muscles form a firm wall that protects the viscera and they help to maintain erect posture. 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. The abdominal muscles form the anterior and lateral abdominal wall and consist of the external abdominal obliques the internal abdominal obliques the rectus abdominis and the transversus abdominis.

A group of muscles connected to the rib cage which help stabilize. They also help to provide postural support assist in forceful expiration and increase the intra abdominal pressure in activities such as sneezing coughing lifting urinating defecating and childbirth. Anatomy chart courtesy of fcit.

Picture of the stomach. In the empty state the stomach is contracted and its mucosa and submucosa are thrown up into distinct folds called rugae. 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 various activities such as breathing and defecation.

When distended with food the rugae are ironed out and flat. After the rectus abdominis the obliques are probably. The pyramidalis muscle is a small triangular shaped muscle situated in.

The muscles of the lower back including the erector spinae and quadratus lumborum muscles contract to extend and laterally bend the vertebral column. One of three gluteal muscles the gluteus medius connects the ilium to the top. The anatomy of your abdominal muscles rectus abdominis.

The largest and outermost muscle of the buttock. The transverse abdominal muscle is a flat triangular muscle composed. When people generally think of a six pack.

Now you can think of this muscle as kind of being the opposite. The wall of the stomach is structurally similar to other parts of the digestive tube with the exception that the stomach has an extra oblique layer of smooth muscle inside the circular layer which aids in the performance of complex grinding motions. Ridges of muscle tissue called rugae line the stomach.

The muscles of the abdomen are made up of the muscles of the anterolateral abdominal wall and the muscles of the posterior abdominal wall. The muscles comprising the rectus abdominis are long and flat. Abdominal muscles rectus abdominis.

11 4 Axial Muscles Of The Abdominal Wall And Thorax