Effect of Distal Needling on Knee Pain Using Acupuncture Techniques

The purpose of this study is to test if specific therapeutic benefits of acupuncture are mostly attributable to contextual and psychosocial factors, such as patients' beliefs and expectations.The investigators propose using the 2 acupuncture methods, which refrains from inserting needles in the affected area, in order to evaluate the short-term and long-term efficacy of acupuncture in a clinical setting compared with placebo and compared with invasive needling that does not adhere to "correct" acupuncture rules.