Because of my competitive sporting background ….I have heard different ways of explaining this:I'm not sure what mechanism you are implying here, Van. Do you have a source on this?
I believe that breathing can control neurohormonal status. But my understanding of it is quite complex. I DO however believe people used it long before they understood why it worked.
One learning experience of mine here was when our crewing team was slowly ‘ramping’ to the starting line of a race and jostling to maintain an even ‘line up’ while awaiting the sound of the gun shot. The ‘ramping’ meaning … ‘emotional spiking’.
Our cockswain kept yelling at the top of his lungs to ‘exhale’ _ ‘exhale’ …. As cleansing breaths forcing the tension and nervousness out of our bodies… techniques learned during our extreme training….two hours in the morning before school and two hours in the evening…seven days a week.
Same for soccer and other sports…including getting ready to enter the ring in tournaments.
Another explanation was ….You are controlling the adrenaline built up in your body to be released with greater exertion while exhaling.
But the wisdom of this was validated by FMA Guru, Wes Tasker, when he graciously held a seminar at our dojo…who explained that …
In FMA, where speed and flow are of paramount importance, a regular, controlled exhalation keeps you relaxed and moving quickly as well.
And there is nobody I have ever seen in my life _ move and hit with the speed of footwork and power delivery than Wes.