DRINK. DRINK. DRINK. Everyone tells you to drink water when you work in the pool. But, dang it, you are never thirsty. So the day rolls on with nary a sip.
Well guys, your body is tricking you into a low grade, long term dehydrated state with serious consequences.
Why? Well, we all understand the effects of hydrostatic pressure on edema control in the legs.We even get the fact that this volume shift creates an extra pre-load on the heart ... in effect making each contraction more powerful.
What we fail to realize is that this same shift in volume creates a sustained stimulation of the cardiopulmonary baroreceptors and reduction of a dipsogenic (ahem... fancy term for thirst) stimulus.
This volume-induced stimuli of fluid receptors sends a message to your brain saying