It has been documented that stimulation of acupoints on the legs increases gastric acid secretion in the stomach. (greymuzzle.org)
The primary psychotherapeutic effect of acupoint tapping is the rapid reduction of limbic system arousal, but its applications are varied. (psychotherapynetworker.org)
If there is a problem, or imbalance in the flow of qi energy, a TCM doctor would use acupuncture needles, or perhaps acupressure - the use of thumbs or hands - to stimulate acupoints, and release the blockages. (totalpolitics.com)