Acupuncture for Chronic Nonspecific Low Back Pain: A Randomized Controlled Trial.

INTERVENTION: Acupuncture group:Manual acupuncture;Sham acupuncture group:Sham acupuncture; CONDITION: Chronic nonspecific low back pain PRIMARY OUTCOME: Visual Analogue Scale; SECONDARY OUTCOME: Oswestry disability index;Surface Electromyography;Short Form‐36 Health Survey;Depression, Anxiety, and Stress Scale; INCLUSION CRITERIA: 1)Patients who meet the above diagnostic criteria for cNSLBP with a duration of illness >12 weeks 2) Patients who self‐assess their subjective pain intensity as =3 points on the VAS scale during episodes of low back pain 3) Adult patients aged 18 years or older, with no gender restrictions 4) Patients who have not received related acupuncture treatment in the past month 5) Patients who are conscious, have normal vital signs, can accurately understand the meanings of various scales, and actively cooperate with acupuncture treatment