Research Article

Heart Rate Variability during Auricular Acupressure at Heart Point in Healthy Volunteers: A Pilot Study

Figure 1

Study protocol. T1: before auricular acupressure, T2: auricular acupressure without stimulation, T3: the 1st auricular acupressure with stimulation in 30 sec, T4: auricular acupressure without stimulation, T5: the 2nd auricular acupressure with stimulation in 30 sec, and T6: after auricular acupressure.