UVC is absorbed by the ozone layer and has the highest energy UV rays which make them the most harmful to your eyes. Scientists have shown that many forms of eye cancers might be caused by lifelong exposure to the sun and its harmful radiation.
Thoracic strain/sprain. What is a strain/sprain of the thoracic region? The thoracic region describes the vertebrae in the middle of the spine and is often referred to as the mid back. Technically speaking it runs from the base of the neck to just below the rib cage. A strain is when a muscle is overstretched or overloaded to the point where the muscle fiber fails or tears. A sprain is when a ligament is overstretched or overloaded to the point where the ligament fails or tears. Strains and sprains are common in the thoracic region of the spine.
Description. The thoracic outlet is an area at the top of the rib cage, between the neck and the chest. Several anatomical structures pass through this area, including the esophagus, trachea, and nerves and blood vessels that lead to the arm and neck region.horacic outlet syndrome. n. Compression of the brachial plexus and subclavian artery by attached muscles in the region of the first rib and the clavicle, characterized by pain in the arm, numbness in the fingers, and weakness in the hand muscles.