Fig. 2From: Neurological and psychological mechanisms of the specific and nonspecific effects of acupuncture on knee osteoarthritis: study protocol for a randomized, controlled, crossover trialThe picture of acupuncture and sham acupuncture. a Location of acupoints and non-acupoints. Red circles: Acupoints used in acupuncture group. Blue circles: Non-acupoints used in sham acupuncture group. b The diagrammatize of acupuncture and sham acupuncture. Abbreviation: ST35 Dubi, EX-LE4 Neixiyan, LR8 Ququan, GB33 Xiyangguan, SP10 Xuehai, SP6 Sanyinjiao, KI3 Taixi. NA, non-acupointBack to article page