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Thread: 220 - age * .70 really??? dang I must be burning muscle then... ?

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  1. #1
    Join Date
    May 2005
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    Orange county, CA
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    1,692

    220 - age * .70 really??? dang I must be burning muscle then... ?

    So i was reading to keep my heart rate at 70% of my max for best, most efficient fat burn. 220 - age * .70 = my heart rate I should be at which would mean I'd need to keep it around 133bpm..... That seems awfully low for me. I take adderall prescribed to me by my doctor which probably helps boost my HR and I'm also on a ECA stack so my HR is up there usually... I am only taking the ephedrine twice a day now instead of 3 times a day to try to lower my rate a bit in the evening (gym time)

    questions:

    1. Is 133 really what it should be at? (usually its up around 155-170)

    2. I'm going to start up HIIT for 20 mins post workout.... i would imagine it's going to be really hard to keep a 133bpm rate..... any suggestions?

    3. so if i'm up there around 160 I'm burning muscle as well or what? ehh 133 really seems like i won't even break out a sweat!

    4. also would 20 mins of HIIT PWO be ok since I know I need my PWO shake pretty quickly after lifting.... is 20 mins ok or is that even going to effect my muscle gain? I'm going to try to get A.M. cardio in but I need to adjust to it first obviously it's going to be another life style change.

    Thanks everyone!
    Last edited by tripmachine; 06-26-2008 at 04:50 PM.

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