Two independent reviewers analyzed data from 360 studies published between 2000 and 2013 related to the use of manual therapies — such as chiropractic care — to treat acute, subacute, and chronic non-specific low back pain. For all levels of low back pain, the reviewers found strong evidence for the use of manual therapy to both decrease pain and improve function.
The Journal of Manual and Manipulative Therapy, May 2014