SETAC Mission Statement Our mission at South East Texas Amateur Club is to promote and advance Amateur Radio, in our communities, state, nationally, and internationally. We will provide education and training in basic electronics, radio theory, operating safety, and accepted operating practice to interested individuals.
Injury at this level of the spinal cord might injure the phrenic nerve. This nerve supplies the diaphragm, which permits inspiration and expiration. If this nerve is damaged, the impulses no longer reach the diaphragm and the diaphragm stops contracting.
Parts of the diaphragm. 1  Top of the diaphragm (superior surface) is convex and protrudes into the thoracic cavity. 2  Bottom of the diaphragm (inferior surface) is concave and faces the abdominal cavity. 3  Front of the diaphragm (middle part) is known as the sternal part. 4  Back of the diaphragm (middle part) is the lumbar part.