The posterior abdominal wall is formed by the lumbar vertebrae, pelvic girdle, posterior abdominal muscles, and their associated fascia, Significant vessels, nerves, and organs are located on the inner surface of the posterior abdominal...
The diaphragm separates the thoracic cavity, containing the heart & lungs, from the abdominal cavity, It is the primary muscle used in respiration, It has some nonrespiratory functions as well, The diaphragm increases the...