Re: electrolyte supplementation

["Karen Steenhof" <steenhof@cyberhighway.net>]

The study was done at the 1989 ROC by Dr. Nogode of Ohio State University.
I recall that he found that calcium depletion caused the calcium
mobilization mechanisms to be optimal 4 days after the depletion.

Karen Steenhof
Boise, Idaho
steenhof@cyberhighway.net

-----Original Message-----
From: CMKSAGEHIL <CMKSAGEHIL@aol.com>
To: Debbyly@aol.com <Debbyly@aol.com>; ridecamp@endurance.net
<ridecamp@endurance.net>
Date: Saturday, April 18, 1998 10:49 PM
Subject: Re: electrolyte supplementation


>In a message dated 98-04-19 00:36:04 EDT, Debbyly@aol.com writes:
>
><<
> At the AERC convention several years ago there was a lecture about the
> mechanisms for utilizing calcium during an endurance ride.  It had to do
with
> a form of calcitriol (sp?) that, according to this theory, would be
produced
> in greater quantities if the horse was stressed with calcium depletion a
few
> days before the ride.  Are you familiar with this research?  Is there
>anything
> to it?  Does anyone else remember this lecture and corresponding articles
in
> either Endurance News or Trail Blazer.?  This theory only applied to
calcium,
> not any other electrolyte. >>
>
>Debby, are you talking about calcitonin?  That is a hormone which regulates
>calcium.  If there is always a lot of calcium available, the parathyroid
gland
>does not produce large quantities of the hormone, so that if a great need
for
>calcium arises (such as an endurance ride, or lactation, etc.) the body is
not
>able to mobilize calcium and gets into trouble.  However, I think the time
>frame is more than just a few days, if I remember my endocrinology
correctly.
>At any rate, the upshot is that feeding too much calcium can actually cause
a
>serious drop in calcium at these crucial times since the body's ability to
>mobilize it is not up to par.
>
>Heidi
>
>