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use fat not muscle

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englishgent
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2003/12/13 00:00:43 (permalink)

use fat not muscle

Can somebody explain to me or provide a link to answer the folowing questions. I have been told that before i do H.I.I.T i should have some protien to stop my body using my muscle protein as an energy sourse after it has run out or glucose. Can somebody explain to me how this all works??? and how i can always make sure that my body uses body fat as its energy sourse not my muscle?????
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    steph
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    RE: use fat not muscle 2003/12/13 18:31:53 (permalink)
    http://www.bodybuilding.com/fun/tallon7.htm
    Read that mate,
    found it very informative

    HTH

    Stephen
    #2
    englishgent
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    RE: use fat not muscle 2003/12/16 18:07:43 (permalink)
    tnks for the link its very informative with regard to burning fat and carbs but unfortunely it dosnt answer my questions about losing muscle protien . I think maybe i have posted this subject in the wrong forum so i will repost it in training correctly
    . Mods plz feel free to delete this one tnks
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    CheekyChappie
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    RE: use fat not muscle 2003/12/16 18:55:08 (permalink)
    I couldn't tell you the exact mechanisms but I will give my views on your last question.

    To make sure your body uses the highest proportion of fat during cardio you need to do your cardio at a low intensity. Your body will use mostly fat and no muscle really.

    However, I don't believe burning fat DURING the exercise is that important. More important is how many calories you burn in total as a result of that session. With higher intensity cardio (such as HIIT) you will burn calories quicker but most importantly you will get a greater EPOC effect. This means your metabolism will be elevated for hours after your session, burning off even more calories. It doesn't matter that you will burn more carbs during the exercise session, ultimately your body will burn the fat in response to the caloric deficit you create.

    However if you perform high intensity cardio in a glycogen depleted state you do risk using some muscle protein as fuel, so I don;t recommend it. However James and others on here recommend taking in a whey protein shake before training to stop this happening. How effective this is I don't know, and James would have to tell you the mechanism by which this works.
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    englishgent
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    RE: use fat not muscle 2003/12/16 23:13:14 (permalink)
    Excellent tnks cheeky thats anwered my question i am much obliged you explained it beautifully it was the bit about my body using fat to fill the calorie deficit i didnt understand .
    So basically i should have some carbs and protien before doing H.I.I.T so i dont use my muscle protien is that right??? Should i eat again soon afterward or will that make my body use what i eat to replace the deficit instead of body fat???
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    CheekyChappie
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    RE: use fat not muscle 2003/12/17 00:11:13 (permalink)
    First of all I'd like to say don't take this all as gospel. These are my opinions at the moment, it would be nice for other people to chip in with their opinions!
    quote:
    So basically i should have some carbs and protien before doing H.I.I.T so i dont use my muscle protien is that right???


    Well I personally wouldn't eat just before a workout as it could give you cramp or just a bad feeling in your stomach. Personally I don't like doing high-intensity cardio on an empty stomach though, so I would simply eat as normal and probably do my cardio 1-2 hours after I last ate, so I feel satisfied and it's not too soon after eating. But if you do eat just before, James theorises that protein alone will spare muscle during the workout.

    quote:
    Should i eat again soon afterward or will that make my body use what i eat to replace the deficit instead of body fat???


    Well this isn't really established. I would just eat whenever my schedule dictates I am next due to eat. But you shouldn't think about food as cancelling out exercise you have just done. A caloric deficit means over the course of a day, eating less than you expend. If this is the case you will lose weight.

    Some people work out, then eat something and think "Oh that's cancelled out the exercise!" Well what are you going to do? Never eat again?! Given that you are going to eat a certain amount of food during the day, if you workout you have added X hundred calories to the Output side of the energy equation. If you don't workout you haven't. You won't lose so much weight.
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