Sample Sentences & Example Usage. 1  Sylvia Loehrmann: It's so tragic, so sad, so unfathomable. 2  Todd Spitzer: We don't want a judge that legislates from the bench, it's just unfathomable that the judge would try to describe what is a brutal sodomy.
The first two nerves supply fibers to the upper limb in addition to their thoracic branches; the next four are limited in their distribution to the walls of the thorax; the lower five supply the walls of the thorax and abdomen.The 7th intercostal nerve terminates at the xyphoid process, at the lower end of the sternum.The 10th intercostal nerve terminates at the navel. The twelfth (subcostal) thoracic is distributed to the abdominal wall and groin.Unlike the nerves from the autonomic nervous system that innervate the visceral pleura of the thoracic cavity, the intercostal nerves arise from the somatic nervous system.he 7th intercostal nerve terminates at the xyphoid process, at the lower end of the sternum. The 10th intercostal nerve terminates at the navel. The twelfth (subcostal) thoracic is distributed to the abdominal wall and groin.
Your intercostal muscles lie between your ribs, attaching them to one another. They help stabilize your upper body and help you breathe. There are three layers of intercostal muscles: the external intercostals, the internal intercostals, and the innermost intercostals. A strain is when a muscle stretches, pulls, or is partially torn. A strain of any of the layers of the intercostal muscles can cause pain and difficulty breathing. Muscle strains are a common cause of chest pain. From 21 to 49 percent of all musculoskeletal chest pain comes from the intercostal muscles. You can strain or pull your intercostal muscles in many different ways. These muscles are usually hurt during some twisting motion. Pain can start either from a sudden injury, or it can begin gradually from repetitive motions.