Chapter three introduces the body cavities and several terms that are related to the four major areas of the body including the head, chest, abdomen, and the extremities. Before one can learn the positions of the body, the anatomical reference system must be learned. This system is the standard position of the body. The body is erect facing forward. Arms are at the sides, palms toward the front.
Legs are parallel.
Toes are pointed forward. Terms related to the anatomical position. The abdominal quadrants and their contents. Abdominal quadrants are used by medical professionals in diagnostic and descriptive purposes. The abdomen is the area of the body found between the chest and pelvis.