Osteoarthritis is a very common occurrence in old age majorly affecting the knee joint leading to chronic pain, loss of function and finally disability. Being said so, it requires timely treatment and if treatment is not taken, it leads to a definite onset of symptoms leading to structural damage. Low Intensity Laser Therapy (LLLT) that uses a light source and a single wavelength for pain relief and faster healing in many musculo-skeletal conditions including OA. Many evidences published effectiveness of the LLLT treatment while some suggested that it is not very useful. There was a need to review all the studies.This study examined the various guidelines published, for physical therapy and rehabilitation. The PubMed data bases and the Web of Science were used for randomised clinical trials, systematic reviews and guidance. There have been investigations into specific journals and referral lists. Some good articles on the treatment of knee arthritis were included in the review.
Key words: Knee Osteoarthritis, PhysicalTherapy, LLLT
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