Pilot Study of Acupuncture Point Laterality: Evidence from Heart Rate Variability
Figure 1
Procedure of acupuncture and measurement. : ECG recording time point; IN: insert needle; SA: stop acupuncture; SR: slowly rotate the needle every 5 min (the needle was slowly rotated every 5 min for a total of 30 min during the R2 acupuncture session); RT: rest time between two epochs, the range is 8–22 days.