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Old 01-30-2012, 12:09 PM   #18
freelancemomma
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<<On cardio, a rule of thumb is that we expend 5-7 cals/min doing moderate intensity cardio, regardless of what the machine tells us. (Manufacturers have an incentive to overstate calories burned.) Half an hour of cardio per day will, in theory, give you 300 extra calories to play with at maintenance levels. >>

Just wanted to make some amendments to the math. If we expend 5 to 7 cals/minute doing moderate cardio (let's say 6 cals/minute), then 30 minutes of cardio will use up 30 x 6 = 180 calories, not 300. AND you have to subtract the calories you would have used anyway while being awake -- probably about 40 calories for 1/2 hour. This leaves you with only 140 extra calories to play with.

Freelance

Last edited by freelancemomma : 02-01-2012 at 03:56 PM.
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