General fitness, health and nutrition · Public discussion

Re: Obesity Map

Started by Prisoner at War · · Last activity · 3 posts · 184 views

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General fitness, health and nutrition
Published
15 August 2007
Last activity
17 August 2007
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Prisoner at War
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  1. Original post
    Prisoner at War
    Archived post
    #1
    joeu2004 said:

    I am not familiar with the book or the author that you refer to. But
    I would be skeptical about the content of any book that is
    (co)authored by someone who has a commercial interest in the industry
    (e.g. sells nutrition products)

    Indeed -- turns out that his co-author is an executive with the
    company that makes (or helps make) Accelerade!

    But nothing in the book suggests any particular product...at no time
    did I feel any kind of hidden advertising or guerilla marketing tactic
    being employed...rather general principles, really...the book, short
    as it is, reads like a much extended and elaborated fitness magazine
    article, complete with sidebars....

    Quoted message said:

    Probably correct, to some degree.

    I should hope so! This overtraining business had me real worried
    (even though I now supplement pre, intra, and post-workout)....

    Quoted message said:

    That is an exaggeration or misunderstanding. I don't know if the
    fault is the authors' or your interpretation.

    He states it right there in black and white.

    Quoted message said:

    It is true that nutritional protein -- that is, protein that is
    consumed -- is only used by the body as needed at the moment. The
    body does not store "protein" (amino acids) for later use, in the same
    way that it stores carb (glycogen) and fat (triglyceride). Protein
    that is consumed and unneeded at the moment is either broken done and
    stored as glycogen (and indirectly as triglyceride, if I remember
    correctly) or disposed of as waste. "At the moment" is probably with
    an hour or so after consumption.

    But that has nothing to do with the relative timing of exercise.

    Oh, no, he's talking about muscle protein. That is, muscle protein is
    the last thing the body turns to for fuel during exercise, and that's
    typically after an hour of exercise with no refueling (or, one
    imagines, inadequate refueling).

    Quoted message said:

    The author's might have said that it is wise to consume protein soon
    after intense exercise because the body needs amino acids to repair
    muscle and the immune system. But that is not the exclusive need for
    protein. The body uses protein (amino acids) for all sorts of things.

    What also impressed me, thanks to the book, is how adaptable muscle
    tissue is. It changes on, it appears, a day-to-day basis! Or can, it
    seems (given how one trains, eats, etc.). I'd not had such a
    "dynamic" view of muscle before.

    Report
  2. joeu2004
    Archived post
    #2
    Prisoner at War said:
    joeu2004 said:
    Quoted message said:

    says that protein is the very last resource the body turns to
    and typically only after an hour of exercise.

    Quoted message said:

    That is an exaggeration or misunderstanding. I don't know if
    the fault is the authors' or your interpretation.


    [....]
    Oh, no, he's talking about muscle protein.

    Of course! You were clear the first time. I don't know how I misread
    that.

    Quoted message said:

    That is, muscle
    protein is the last thing the body turns to for fuel during exercise

    Hmm, I think you would have to exercise for many hours before that
    would happen. As I recall, the metabolic path from tissue to glucose
    or fat (in a form usable for energy) is convoluted and very slow.
    That's why it is the body's "last resort"; under normal circumstances,
    you will have consumed something by the time the body might start to
    "think" about canabalizing tissue.

    Quoted message said:

    that's typically after an hour of exercise with no refueling
    (or, one imagines, inadequate refueling).

    I do not believe that is the major cause of muscle loss during or
    after exercise. You (might) lose muscle as a result of normal wear
    and tear and the failure to repair it. At least, for normal exercise.

    Moreover, the body's destruction of muscle for the purpose of
    supplying glucose and fat for energy -- I would not call that "burning
    muscle" in the same way that speak of burning glucose and fat -- can
    happen in the absence of recreational exercise. Y'think the starving
    people of Africa (Sudan etc) are losing muscle because of intense
    aerobic exercise and failing to follow it up with some large gulps of
    a "designer" energy drink? ;-)

    But I am speaking out of school. Perhaps I should read the authors'
    point of view before I criticize it. No doubt I am taking your
    comments out of context.

    Report
  3. Prisoner at War
    Archived post
    #3
    joeu2004 said:

    <SNIP>

    Hmm, I think you would have to exercise for many hours before that
    would happen. As I recall, the metabolic path from tissue to glucose
    or fat (in a form usable for energy) is convoluted and very slow.
    That's why it is the body's "last resort"; under normal circumstances,
    you will have consumed something by the time the body might start to
    "think" about canabalizing tissue.

    I sure hope you're right! I was always puzzled by the body
    cannibalism bit, but "Nutrient Timing" confirms it, and he's a
    department heat at Texas U, for what that's worth...but if he's right,
    at least I have an hour before my body will start digesting muscle
    instead of fat....

    Quoted message said:

    I do not believe that is the major cause of muscle loss during or
    after exercise. You (might) lose muscle as a result of normal wear
    and tear and the failure to repair it. At least, for normal exercise.

    Well, yes, it's just what you say, only looked at
    differently...exercise wears down the muscle...without adequate rest
    and refueling it's a net loss....

    Quoted message said:

    Moreover, the body's destruction of muscle for the purpose of
    supplying glucose and fat for energy -- I would not call that "burning
    muscle" in the same way that speak of burning glucose and fat -- can
    happen in the absence of recreational exercise. Y'think the starving
    people of Africa (Sudan etc) are losing muscle because of intense
    aerobic exercise and failing to follow it up with some large gulps of
    a "designer" energy drink? ;-)

    Yes, you're right, which is why a good balanced diet is important even
    on non-training days!

    Quoted message said:

    But I am speaking out of school. Perhaps I should read the authors'
    point of view before I criticize it. No doubt I am taking your
    comments out of context.

    It's an interesting little book; I recommend it highly. Reads like a
    series of articles in "Runner's World" or something (even though their
    focus is on resistance training). I'm now trying to implement their
    advice; can't say I've noticed a great dramatic difference yet, but
    I've only just started....

    Report

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