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Re: [RC] Lactic Acid - Kristen A Fisher

This is interesting as I am very curious about the Negative Splits article
in EN - and reportedly negative splits are effective because starting slow
reduces the lactic acid build up in the muscles. So that is contradictory to
this info.

Also, what is the cause of  sore muscles after hard work if not lactic acid?

Kristen

----- Original Message ----- 
From: <Jon.Linderman@xxxxxxxxxxxxxxxxx>
To: "goearth" <goearth@xxxxxxxxxxx>
Cc: "Jeannie Waldron" <jwaldron@xxxxxxxxx>; "Ridecamp"
<ridecamp@xxxxxxxxxxxxx>; <ridecamp-owner@xxxxxxxxxxxxxxxxx>
Sent: Tuesday, August 24, 2004 7:39 AM
Subject: Re: [RC] Lactic Acid



Since this is my field its sort of interesting to see this topic in

popular

press.  Most physiology texts (human or quadriped) still use a simpleton's
discussion of lactic acid (LA).  Its not to say its wrong, just

incomplete.

I worked with one of the premier scientists on the topic in graduate

school

@ Berkeley, a man named George Brooks.  Since the 70's hes published the
most sophisticated work in the field, but due to the complexity of the
issue, or his personality (fire on a gasoline pool) his work has been
overlooked in more popular literature.  It (LA) is a valuable tool in
monitoring training or intensity of work, and as a powerful metabolic acid
it does contribute to fatigue that we have known since the 50's.  However,
it is far far more complex than that.  Basically a LA molecule is 1/2 of a
glucose (sugar) molecule that still retains most of the energy of the
glucose molecule & many tissues such as the heart, liver, and type I (slow
twitch) muscle fibers use lactic acid as a fuel source.  I imagine by the
time I retire from academia there will be some progress in the general
public's understanding, but it'll die slow, like the earth being flat or
the earth being the center of the universe.





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Replies
Re: [RC] Lactic Acid, Jon . Linderman