Cross = Fit
CrossFit kicks ass: That’s the conclusion of a new study published in the Journal of Strength and Conditioning Research. In it, 54 subjects (all regular Paleo eaters, to rule out major nutritional variants) performed CrossFit-style high-intensity power training (HIPT) workouts for 10 weeks. Although a few subjects dropped out with injuries, tests showed that the remaining men and women gained muscle, lost body fat, and improved aerobic fitness—suggesting that, used safely, CrossFit workouts can greatly improve aerobic health and body composition.
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