Wednesday, May 19, 2010

Back Pain

If you ever had back pain then you know it can be devastating! Typically a person suffering from back pain will go to their medical doctor for help. This is actually a good idea, so the doctor can rule out serious pathology. Sometimes back pain can come on suddenly for no apparent reason. This is why it is a good idea to see your doctor to rule out all sorts of medical problems like kidney stones, aortic aneurysm, cancer, and many other possibilities. Once serious medical problems have been ruled out then most back problems originate from the spine.

The spine is a complex structure surrounding and protecting the nervous system. It provides the mobility necessary to function and the protection that the delicate spinal cord and spinal nerves need to work properly. The spine is normally a strong and stable structure which is surrounded by muscles. The deepest layers of muscles that surround the spine are called, "core muscles". There are other core muscles too that are more superficial, but the most important core muscles are deep and directly around the spine. The deepest core muscles are called, "Multifidus Muscles". When these muscles are working properly they actually protect the spine when it moves. This protection is termed spinal stabilization. Ironically we do not have conscious control over these multifidus muscles. They work based on movement from the spine. So as the spine moves this stimulates the multifidus muscles to contract. This happens because there are 'motion detectors' in the spinal joints which tell the multifidus muscles to contract. As long as there is normal motion in all the spinal joints then there should be a normal multifidus muscle activity. However if there is not good motion in the spinal joints then there is decreased multifidus muscle activity, which will lead to the multifidus muscle 'falling asleep' or becoming inhibited. If this happens, then multifidus muscles will shrink away or atrophy and literally be replaced by fat.

This is the problem with people who experience back pain. As we age and are subjected to stress and injury. This can cause the spinal joints to get stiff and lose their normal movement; subsequently leading to a loss of muscle support from the multifidus muscle. Then something as simple as bending over to pick up something can strain the spinal joints or pull the spine out of alignment, because the spine did not have the proper support. When this happens the pain starts because when the spinal joints are strained then this results in a muscle spasm reflex and inflammation. Similar to a sprained ankle but this happens in the spine.

My next post will cover the most effective way to manage this condition based on my clinical experience and what the research shows. I must go back to work now and help change lives one spine at a time.

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