Treatment Validation for Myofascial Pain

Inclusion Criteria:

* Ages 20-70;
* Predominantly axial LBP (meeting NIH definition of cLBP with daily pain for at least 3 months) with a MP component as determined by the standardized examination for MP;
* Average pain score of \> 3/10, with low back pain being the primary pain site;
* CLBP meeting Quebec Task Force Classification System categories I-III (from axial pain only to pain radiating beyond the knee without neurological signs). Constant radicular pain associated with sensory loss is likely a confounder to dry needling treatment success;
* NO HISTORY of receiving dry needling, to improve the effectiveness of the blind;
* Demonstration of healthcare seeking at some point for LBP.

Exclusion Criteria:

* Back surgery within the past six months;
* Active workers' compensation or litigation claims, since these patients are more likely to have exaggerated pain behavior;
* New pain treatments within 2 weeks of enrollment;
* Any clinically unstable systemic illness or condition that is judged to interfere with the trial;
* Non-ambulatory status;
* Not able to complete the questionnaire
* Currently pregnant or have intentions to become pregnant during the study.