Скачать или смотреть Knee Pain Relief: Does Red Light Therapy (Laser Infrared) Work for Osteoarthritis? Physio Explains

Physiotherapists professional and evidence-based opinion on using Red Light Therapy (RLT) to manage knee pain associated with Osteoarthritis (OA).

(Disclaimer: This video provides general education and is not medical advice.)

What is Red Light Therapy? Discover the basics of RLT, also known as low-level laser therapy or Photobiomodulation, and how it differs from sunlight.

How Does RLT Work? Understand the theory: How light photons interact with cells (chromophores) to potentially boost cellular energy for healing, inflammation reduction, pain relief, and even collagen production.

Why Use RLT for Pain? Explore the science suggesting RLT can reduce nerve excitability and promote the release of natural pain-relieving endorphins.

Evidence for Knee OA Pain: We look at a review of 13 studies (673 participants) suggesting RLT is superior to sham treatments for OA knee pain relief, despite the overall low quality of evidence. Learn how these studies compare active RLT against placebo effects.

Is RLT Worth Trying for Knee Pain? Based on the research, it appears promising for managing knee pain.

How to Use RLT on Your Knee: Practical guidance on applying the device close to the treatment area, using device settings (like the Prungo example with MILD, MID, STRONG settings), and typical session length (e.g., 20 minutes). Expect minimal sensation, possibly low heat.

Is RLT Safe? Generally safe (no UV), but uses low-level lasers (like the infrared polarized laser in the Prungo device). Avoid looking directly at the light, keep away from children, and note common contraindications (pregnancy, certain skin sensitivities, active cancer treatment).

Share your experiences with Red Light Therapy in the comments below.

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References:

Chow, R., Armati, P., Laakso, E.L., Bjordal, J.M. and Baxter, G.D., 2011. Inhibitory effects of laser irradiation on peripheral mammalian nerves and relevance to analgesic effects: a systematic review. Photomedicine and laser surgery, 29(6), pp.365-381.

Fan, T., Li, Y., Wong, A.Y., Liang, X., Yuan, Y., Xia, P., Yao, Z., Wang, D., Pang, M.Y., Ding, C. and Zhu, Z., 2024. A systematic review and network meta-analysis on the optimal wavelength of low-level light therapy (LLLT) in treating knee osteoarthritis symptoms. Aging clinical and experimental research, 36(1), p.203.

Laakso, E.L., Cramond, T., Richardson, C. and Galligan, J.P., 1994. Plasma ACTH and β-endorphin levels in response to low level laser therapy (LLLT) for myofascial trigger points. Laser Therapy, 6(3), pp.133-141.