At RN4 in the abdominal region, the needle will be tilted at 90° to body surface and inserted 1.5 cun. At bilateral LR3 in the foot region, the needle will be tilted 45 to 90° and inserted 0.5–1 cun. At bilateral ST36 and SP6, the needle will be tilted 90° to the body surface and inserted 1–1.5 cun. Then, in the next 10 min, the participants will be treated in a prone position. For GV20 on the head, the needle will be tilted anterior to the body and inserted 0.5 to 1 cun. At bilateral BL23 in the back region, the needle will be tilted 45 to 90° towards the bottom and inserted 1 to 1.5 cun. The needles will be twirled to enhance the sensation during treatment.
— 29 Jul 2021