Quote:
Originally Posted by nomadking
If you're breathing more heavily then the necessary distance increases.
If you're moving your head around a lot, the maths of simple ballistics shows that also increases the distance travelled. Think of the difference, if a javelin thrower threw the javelin at 45 degrees compared to just horizontally. An angle of 45 degrees gives the maximum amount of travel. The projectile has the opportunity to travel further distance before hitting the ground from gravity. So tilting your head back by eg 20 degrees, increases the distance travelled.
Breathing more heavily also increase the risk of virus particles being forced through any material.
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Not sure about other people as I don’t tend to pay much attention to gym users around me but I can’t say I’ve ever moved my head around much, a lot or even a little when lifting weights. I tend to just move the muscles I’m trying to work.