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Old 09-27-2007, 09:35 PM   #10
Emily Mattes
Member Emily Mattes is offline
 
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Join Date: Apr 2007
Location: Baltimore  MD
Posts: 1,015
Re: Where to start in the Zone?

If you go to DrSears.com they provide a body-fat percentage estimator that also approximates the number of blocks you need based on your activity level. I think most people count Crossfit as "Moderate" to the next level up.
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