| Calorie burn |
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JVV
New Member
| Joined: | 15 Feb 2006 |
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| Posts: | 10 |
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Posted: 11 Mar 2006 12:20 pm |
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In found the following tip on a website for exercise tips:
"No Fat Burning Zone
Although you burn a higher percentage of fat calories at slow and moderate aerobic intensities, you burn more total calories, and more total fat calories, when you exercise at higher intensities. You may choose to work out longer and/or slower for various reasons, but never slow down just because you think that?é??s necessary to be in a "fat burning zone."
Is there any truth to this? Lately I've been slowing down so I burn more calories from fat (I want to keep my muscle!!) but maybe I shouldn't...?
JVV
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suenos
Distinguished Member
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Posted: 11 Mar 2006 04:43 pm |
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When you're doing cardio in the "fat burning zone" (around 65%) your body mostly uses fat for fuel, when you exceed this level your body switches to carbs as the primary fuel and you burn less fat. Lower intensity = higher fat burning during the exercise. But that's only half the picture.
When you exercise above the fat burning zone your body will burn more carbs and less fat for fuel during the exercise itself, but will you will lose more body fat over the next 24 hours because your body will continue to use more fat for fuel through the day. The more intense level of will also burn more calories during the workout itself.
Either way you're going to burn fat, I guess you pretty much have to decide based on your overall health and fitness level.
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Peter
Founder of this forum
| Joined: | 24 May 2005 |
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| Posts: | 4180 |
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Posted: 12 Mar 2006 12:43 am |
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I would add Suenos that working out in the way that you enjoy it most is also critical. If you think about it, the biggest problem with weight loss (concerning exercise) is that people don't keep at it regularly.
Peter
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JVV
New Member
| Joined: | 15 Feb 2006 |
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| Posts: | 10 |
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Posted: 12 Mar 2006 01:46 am |
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| Thank you for the replies. I think I'll go back to working out at my usual level. I like working out harder, although not too hard. I'm just going to stop worrying about calories so much and concentrate on feeling better.
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NevD
New Member
| Joined: | 26 Oct 2005 |
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| Posts: | 1536 |
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Posted: 12 Mar 2006 12:19 pm |
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When I was a regular runner, I went to a track and, with my wife's assistance, logged my maximum heart rate. (She's a trained nurse, just in case I overdid it)...
My max HR turned out to be 186. That was higher than the normal calc for my age.
On my daily runs, I quite often finished off the last third in the high 170s and low 180s. So I was exercising at pretty much maximal intensity.
Did it make me fit? Yes (though with hindsight I was taking some big risks, heart-wise). Did it make me slimmer? Nope.
I don't want to generalise from my particular instance, but I'd agree with Peter that regular exercise of a type that you like (and will therefore keep up) has to be best in the long run.
But what you eat has a much more profound effect on your body shape!
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