Spinal manipulative therapy reduces central pain sensitization
The lessening of pain sensitivity achieved with spinal manipulation therapy (SMT) occurs as a result of the treatment and not as much from a placebo effect caused by the expectation of receiving SMT. Chronic low back pain is associated with altered pain processing, suggesting a mechanism related to central sensitization of pain. Central sensitization is considered a factor in the progression of acute pain to chronic pain and in the maintenance of chronic pain.
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