Parasympathetic Attacks to the Heart


Master David Hansford of the DSI explains how knockouts work from a Western medical perspective based on the parasympathetic nervous system response. Filmed at a live seminar.

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Ever wondered why pressure point techniques and knockouts work from a Western Medical perspective? In this video, Master David Hansford explains advanced medical concepts of how vasovagal faints occur due to the stimulation of the parasympathetic Nervous System (PNS) response.

Master Hansford does a remarkable job of making a very technical topic simple to understand and apply. He explains medical terminology for Martial Artists in great detail.


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