Jimmy wrote:
> Helgi Briem ha scritto:
>
>>On 5 Jul 2005 02:40:32 -0700, "Jimmy" <young_river_d RemoveThis @yahoo.it> wrote:
>>
>>
>>>Does walking work too as a fat-burning aerobic activity?
>>
>>Certainly. And quite a good one too because you can
>>keep it up for a long time. Just don't eat more to compensate.
>>
>>
>>>But why my body should use fat as fuel if I'm providing it all
>>>the fuel it needs by eating a lot?
>>
>>It won't.
>>
>>
>>>Isn't undereating or a deficit of calories necessary to burn fat?
>>
>>Yes.
>
>
> I've been suggested to lift weight and gain muscles so as to shift my
> body composition.
> How can I shift my body composition without burning fat?
Body composition is percentages. You have a certain percent of bodyfat
and a certain percent of lean tissue (muscle, bone, blood, etc) and the
total comes to 100%. So, if bodyfat remains constant but you increase
lean tissue by putting on muscle, the percentage of lean tissue goes up
and the percentage of bodyfat goes down, because your total composition
is always 100%. Your total weight can go up, but with bodyfat not
increasing then it becomes less of a percentage of your new (more
muscley) total weight.
> If I gain muscles then I have to consume an excess of calories, so my
> abdominal fat won't be burned.
Not always the case, especially for a beginner like you and as a teenage
male you get an added bonus there.
> So supposedly I have first to gain muscles and then to undereat to let
> my body burn the fat. But doesn't undereating will result in muscle
> mass loss too?
Yes, but this can be greatly minimised.
> And while putting on muscles mass wouldn't I necessarily put on more
> fat mass too?
For a beginner and a teenage male you have a better than average ability
to add muscle without adding very much extra fat.
> It sound to me like a vicious cycle: first I overeat and
> lift weight so has to gain muscles but also fat too; when I have the
> muscles I undereat and run/walk to burn the extra-fat I already had
> plus the fat I've been putting on while gaining muscles, this will
> result in muscle loss too; then I will overeat again to regain the
> muscle and inevitably I will gain more fat too and so on and on and on
> What's wrong about this interpretation?
Lack of experience and reading. Like I said above, you can minimise fat
gains during weight gaining periods and minimise muscle loss during
weight loss periods, if these are even required. You also have two big
advantages: being a teenage male and being a weight training beginner.
If you spread your current body fat across an extra 30 pounds of muscle,
it becomes a lot less noticeable (hence people commenting about body
composition change). It's not an overnight thing. It requires a
committment to spend a time each week, regularly and without fail, to
weight training. It also requires a committment to, at a minimum, making
better food choices than most teenagers do (I remember the amounts of
mountain dew and burger king double cheeseburgers I ate).
Cheers,
Ari
>
> Thanks for your reply
>
> J. David
> >> Stay informed about: Visceral Fat 
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