Tuesday, January 10, 2012

Anatomy of the Diaphragm

Diaphragm is composed of voluntary muscles and reaches up to the lower-most part of rib cage. Diaphragm is the structure that separates the abdominal and thoracic cavities that is composed of the heart, ribs, and lungs and is particularly accountable for the respiratory operations.

The diaphragm can be partioned into 3 segments: the sternal, costal, and lumbar components. The sternal part of diaphragm consists of the 2 muscular slips from xiphoid process. Conversely, the costal part combines with the transverse muscle of abdomen. It comprises of the cartilages and nearby parts of the 6 ribs situated around the thoracic cavity. Finally, the lumbar section of the diaphragm consists of lumbocostal arches as well as the crura. The diaphragm has many openings within it to permit the passage of other structures between the abdomen and the thorax. In addition to the minor ones, there are 3 primary openings in the diaphragm. The names of the openings are the esophageal, aortic and infeiror vena caval, allowing corresponding structures through them.

Diaphragm is an important part of the human body because of the fact that it performs on various tasks which are vital to keep someone living. During respiration, the diaphragm contracts to expand the thoracic cavity, while allows lung to enlarge and store more air. This phenomenon occurs in 2 diverse styles of respiration. The first is known as abdominal respiration, where the thoracic cavity stretches downwards. The 2nd kind of respiration is known as thoracic respiration and enables the thoracic cavity to extend upwards.

Diaphragm is also related to various other tasks not related to breathing. For instance, it participates in actions such as vomiting and parturition. The diaphragm is involved in all these actions by raising the intra-abdominal stress of the human body. In vomiting, the diaphragm may also help to prevent vomiting. This is done by the diaphragm exerting stress around the esophagus as it passes through the esophageal opening.

Probably the most usual affiliated actions of the diaphragm is hiccups. These are involuntary and sharp contractions of the diaphragm. Cause of hiccups is the acute rush of air towards the lungs pushing the vocal cords to shut. Despite the fact that we all believe that hiccups are often bothersome or distressing, it must be considered that they're safe to the human body. Hiccups do generally vanish rather rapidly after first appearing. Therefore it is only a matter of waiting for the diaphragm to become normal.

Please visit: Functions of Diaphragm for more content on the topic.

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