<>Lumbar strain (acute, chronic): A lumbar strain is a stretch injury to the ligaments, tendons, and/or muscles of the low back. The stretching incident results in microscopic tears of varying degrees in these tissues. Lumbar strain is considered one of the most common causes of low back pain. The injury can occur because of overuse, improper use, or trauma. Soft-tissue injury is commonly classified as "acute" if it has been present for days to weeks. If the strain lasts longer than three months, it is referred to as "chronic." Lumbar strain most often occurs in people in their 40s, but it can happen at any age. The condition is characterized by localized discomfort in the low back area with onset after an event that mechanically stressed the lumbar tissues. The severity of the injury ranges from mild to severe, depending on the degree of strain and resulting spasm of the muscles of the low back. The diagnosis of lumbar strain is based on the history of injury, the location of the pain, and exclusion of nervous system injury. Usually, X-ray testing is only helpful to exclude bone abnormalities. >
<>To diagnose back pain -- unless you are totally immobilized from a back injury -- your doctor probably will test your range of motion and nerve function and touch your body to locate the area of discomfort. Sometimes blood and urine tests are performed to make sure that the back pain is not caused by an infection or other more widespread medical problem. >
<>“The Pain Perplex,” a chapter in the book Complications, by Atul Gawande. Gawande’s entire book is worth reading, but his chapter on pain physiology is certainly the best summary of the subject I have ever read, and a terrific reminder that good writing for a general audience can be just as illuminating for professionals. Anyone struggling with a pain problem should buy the book for this chapter alone, though you are likely to enjoy the whole thing. Much of the chapter focuses on one of the most interesting stories of low back pain I’ve read, and it is a responsible and rational account — although Gawande, like most doctors, seems to be unaware of the clinical significance, or even existence, of myofascial trigger points. >
<>2010 — Updated: Added a very beefy footnote about some new research showing that muscle imbalance does not result in higher rates of injury. This almost should have been a new section, but I decided to just make it a ginormous footnote — footnotes are there for delving if you want to, that’s the idea! You can read a summary of the research in the bibliography (see Hides et al), but the relevance to back pain is spelled out in detail here. And it’s interesting. [Section: Diagnosis: Your low back is not fragile!] >
<>There are a number of medications that can relieve back pain. Over-the-counter pain relievers, muscle relaxants, topical pain relievers and narcotics are all extremely effective in increasing your comfort. In addition, cortisone injections can decrease inflammation around the nerve roots and low doses of antidepressants can relieve certain types of chronic back pain. >
<>Low back pain is one of the most common complaints on the planet. And you may wonder where to turn when you start experiencing some of those aches or twinges in the lower part of your back. Take heart. "In most cases, you won't need a specialist," says Dr. Robert Shmerling, a rheumatologist at Harvard-affiliated Beth Israel Deaconess Medical Center. >
<>2009 — New section: Today I found a way to say some simple things about the power of self-treatment that have been “on the tip of my tongue” for years now. It all evolved from writing about an important bit of research, showing that manual therapists cannot (reliably) diagnose trigger points. [Section: Limitations of trigger point therapy, and how to take advantage of them.] >
<>Although most cases of back pain are “uncomplicated” and should be able to heal with the treatments mentioned above, sometimes in severe cases other interventions are necessary. Speak to your doctor if you experience lower back pain that does not get better in a few days or weeks. If back pain starts suddenly, look out for other symptoms that may point to a more serious condition, such as a fever, chills, dizziness, numbness or unexplained weight loss. >
<>If you have an attack of lower-back pain that is severe, continuous and not improving, assessment and treatment by a health care professional who focuses on the back or other musculoskeletal problems may help. These practitioners may use both active and passive techniques to help you feel better. Examples of passive techniques that may be used to get you moving include: >
<>Opioids are commonly prescribed for patients with severe acute low back pain; however, there is little evidence of benefit. Three studies showed no difference in pain relief or time to return to work between oral opioids and NSAIDs or acetaminophen, and there is risk of harmful dose escalation over time with opioids, especially with purer formulations.16,21 Although epidural steroid injections are not beneficial for isolated acute low back pain, they may be helpful for radicular pain that does not respond to two to six weeks of noninvasive treatment. Transforaminal injections appear to have more favorable short- and long-term benefit than traditional interlaminar injections.22 >
<>Does massage really ease back pain once you leave the table? A recent study found that one weekly massage over a 10 week period improved pain and functioning for people with chronic back pain. Benefits lasted about six months but dwindled after a year. Another hands-on approach is spinal manipulation. Performed by a licensed specialist, this treatment can help relieve structural problems of the spine and restore lost mobility. >
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