
Originally Posted by
swellin
Another thought.....combine the theories about the amount of energy expended, the amount of muscles being worked, and the "pressure"idea, and you can see how it might affect your BP while doing legs. How about the pressure in your brain when you are squatting or doing leg presses? That is almost enough to cause a vein to rupture. I would think that this is the reason for the light headedness. Have you ever been seriously light headed and not had the nausea go along with it...not me.