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A Systemic Review of Laser Therapy for Pain Relief in Joints

Posted by PHS Chiropractic on Thursday, May 01, 2014

Laser therapy’s growth in popularity should be no surprise. Along with anecdotal evidence demonstrating its efficacy, science is also proving that cold laser therapy helps patients both with musculoskeletal disorders as well as pain relief. ChiroEco shares a recent systemic review that gathered the evidence from 22 independent trials.


Low level laser therapy has gained popularity as a viable course of treatment for various types of pain. In an August 2012 systemic review, researchers suggested that while laser therapy for musculoskeletal disorders had gained popularity, especially due to its lack of reported side effects, its effectiveness was still questioned because several clinical trials had reported that laser therapy for pain was ineffective.

The researchers set out to determine the clinical effectiveness of low level laser therapy (LLLT) on joint pain, specifically. They included clinical trials that adhered the following standards: the laser was used on the joint area, the PEDro scale score was at least 5, and the overall effectiveness of the trial was derived by using a visual analogue scale (VAS). They based their final assessment of the treatment's effectiveness on a mean weighted difference in the change of the pain scores on the VAS.

Using MEDLINE, the researchers ultimately gathered 22 trials examining joint pain in relation to low level laser therapy. Their review indicated that when low level laser therapy was applied at the joint, it resulted in positive patient outcomes, evidenced by a reduction in pain. They also determined that if the energy doses of the low level laser therapy treatment were restricted to those suggested in a previous study by Bjordal et. al in 2003, they presumed they could predict more reliable pain relief treatments.


Source: Jang H1, Lee H. “Meta-analysis of pain relief effects by laser irradiation on joint areas.” Photomed Laser Surg. 2012 Aug;30(8):405-17. Epub 2012 Jun 29.


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PHS Chiropractic

In the chiropractic field, flexibility is the name of the game. It’s our mantra too. Since we launched in 2005, PHS Chiropractic has become a leader in beautifully designed, customizable chiropractic tables and accessories. We design our base tables to be feature-rich, meeting the needs of the student or new practitioner. Yet as you grow your practice, our tables grow with you: We’ve dreamed up every possible feature, from drops to elevating heights to adjustable head pieces—all easily added to your existing table to broaden your options. It’s all part of the thought and care that we put into each and every PHS Chiropractic product. Made right here in the Midwest at our plant in Watertown, South Dakota, our products reflect our strong values: high quality, integrity, creativity and innovation. The result is a rich line of chiropractic tables and accessories—from our groundbreaking Tradeflex series to our patented ErgoStyle drops—all offering a high level of design expertise, patented features and great value that give you the tools you need to build a successful practice.