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Old 02-06-2013, 09:12 PM   #64
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Join Date: May 2012
Posts: 953

Originally Posted by NLBwell View Post
A man burns about 100 calories per mile walking (flat surface). I've burned over 2000 calories practicing tennis in a couple of hours (basket of balls, so no stopping even to pick up balls). That would be about a 20 mile walk. I don't think 20 mile walks are very time efficient.
How'd you measure how many calories you burned? Just curious.
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