lunes, 4 de mayo de 2009

Back Pain.


Back pain (also known "dorsalgia") is pain felt in the back that usually originates from the muscles, nerves, bones, joints or other structures in the spine.
The pain can often be divided into
neck pain, upper back pain, lower back pain or tailbone pain. It may have a sudden onset or can be a chronic pain; it can be constant or intermittent, stay in one place or radiate to other areas. It may be a dull ache, or a sharp or piercing or burning sensation. The pain may be felt in the neck (and might radiate into the arm and hand), in the upper back, or in the low back, (and might radiate into the leg or foot), and may include symptoms other than pain, such as weakness, numbness or tingling.


Back pain is one of humanity's most frequent complaints. In the U.S., acute low back pain (also called lumbago) is the fifth most common reason for physician visits. About nine out of ten adults experience back pain at some point in their life, and five out of ten working adults have back pain every year.
The spine is a complex interconnecting network of nerves, joints, muscles, tendons and ligaments, and all are capable of producing pain. Large nerves that originate in the spine and go to the legs and arms can make pain radiate to the extremities.


Short-term relief
Heat therapy is useful for back spasms or other conditions. A meta-analysis of studies by the Cochrane Collaboration concluded that heat therapy can reduce symptoms of acute and sub-acute low-back pain. Some patients find that moist heat works best (e.g. a hot bath or whirlpool) or continuous low-level heat (e.g. a heat wrap that stays warm for 4 to 6 hours). Cold compression therapy (e.g. ice or cold pack application) may be effective at relieving back pain in some cases.


Use of medications, such as muscle relaxants, opioids, non-steroidal anti-inflammatory drugs (NSAIDs/NSAIAs) or paracetamol (acetaminophen). A meta-analysis of randomized controlled trials by the Cochrane Collaboration found that injection therapy, usually with corticosteroids, does not appear to help regardless of whether the injection is facet joint, epidural or a local injection. Accordingly, a study of intramuscular corticosteroids found no benefit.


Massage therapy, especially from an experienced therapist, can provide short term relief. Acupressure or pressure point massage may be more beneficial than classic (Swedish) massage.

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