Exclusion criteria were as follows: (1) had intra-articular corticosteroid injection into the knees within 8 weeks preceding the study, (2) had knee injury and/or hand injury that prevent the participant to perform acupressure, (3) had knee or hip replacement, (4) prior or current treatment with acupuncture for knee pain, (5) autoimmune disease that caused joint pain such as rheumatoid arthritis a