The attacker has thrown a right hand punch at the defender, who has blocked with their left hand. This leaves the defender in a vulnerable position on the inside forcing them to counter quickly. The activation with the left hand stimulates the Acupuncture Points on the inside of the attacker’s wrist creating a “Fire Burns Metal” effect by activating the Lung, Pericardium, and Heart Meridians. This makes the strike to the LI-18 (a Yang Metal meridian) all the more effective. From a western perspective, the strike creates a vasovagal response in the baroreceptors causing blood pressure to drop suddenly. From the Eastern perspective, the strike disrupts energy flowing to/from the head and body resulting in a knockout.

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