crossfit
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This one, also, has quite a few thoughtful replies on both the pro and the con side.
http://www.ideafit.com/answers/crossfit-what-is-your-opinion-on-it
This one, also, has quite a few thoughtful replies on both the pro and the con side.
http://www.ideafit.com/answers/crossfit-what-is-your-opinion-on-it