Inclusion criteria
arthritic pain, knee pain, knee osteoarthritis
KNEE OSTEOARTHRITIS
Prior to enrollment, a specialist doctor conducted an assessment of knee joint function in the patients. Anteroposterior and lateral X-ray images were obtained for the affected joint, and inclusion criteria were applied to select the subjects for the study.Age 50 to 75 years.According to the American College of Rheumatology criteria for the diagnosis of knee osteoarthritis [Radiological confirmation of knee osteoarthritis (Kellgren–Lawrence grade ≥ 1) [Moderate or worse knee pain most time during the past month; subjects had a vas baseline score of 40 or greater for arthritic pain.Agree to be randomized and understand and be willing to sign the informed consent.