Introduction
osteoarthritis, Knee osteoarthritis, OA, pain
OSTEOARTHRITIS, DISEASE, KNEE OSTEOARTHRITIS, OSTEOARTHRITIS
Knee osteoarthritis (OA), a common osteopathic problem, usually occurs among people aged over 60 years old. The prevalence of knee OA is increasing substantially around the world due to the aging societyThe main goals of treating osteoarthritis are to control symptoms, restore joint function, and prevent progressive disease. A combination of nonpharmacological and pharmacological interventions is recommended as the first-line therapy for knee OAAccording to guidelines of the Osteoarthritis Research Society International (OARSI), a 30-s chair stand test, a 40 m fast-paced walk test, a stair climb test, and the timed up and go test are recommended as standard outcome measures among studies on this topicLLLT has shown to be effective in terms of pain reduction and functional improvement. However, the absorption ability of tissue differs depending on the wavelength, as confirmed in a previous study