Research Article
Evaluation of the Immediate Effect of Auricular Acupuncture on Pain and Electromyographic Activity of the Upper Trapezius Muscle in Patients with Nonspecific Neck Pain: A Randomized, Single-Blinded, Sham-Controlled, Crossover Study
Figure 2
Flow sequence diagram of data recording. A: auricular acupuncture (Nogier method). B: sham auricular acupuncture.