Cool or useless?

[askmrjesus]

Originally Posted by OreoGaborio

If you push down on your head with your hand, sure, it'll put pressure on your neck...

but if you put an expanding force between the top of your head & the inside of the helmet, no force will be transfered down to your neck... only the top of your head & your cheeks as the helmet lifts off & they're in equal & opposite directions, canceling each other out.

Opposite, yes.

Equal, I'm not so sure. Unless you know the value of the helmet's resistance, vs. the downwards force of the bladder, equality can not be determined, and your hypothesis can not be proved.

So there.

I believe they offer an online course for EMT's. If it's free, I'll go take it and report back.

JC