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Ace Study Finds Crossfit? Workouts Yield High Caloric Outputs

Researchers found that males burned an average of 20.5 calories per minute while females averaged 12.5 calories per minute. Heart-rate responses were an average of 90 percent of maximum heart rate (HRmax) throughout the workout. Given that fitness industry guidelines suggest a training range of 64-94 percent of HR max to improve cardio endurance, both CrossFit workouts max workout met the mark. VO2also increased immediately and slightly with subsequent rounds averaging at 80 percent of VO2max, indicating the subjects were exercising well above their anaerobic thresholds and at the higher end of industry recommendations. Like any type of high-intensity physical exertion, CrossFit workouts place high demands on the cardiovascular and musculoskeletal systems and present a risk of injury, Bryant said.
Full story: http://finance.yahoo.com/news/ace-study-finds-crossfit-workouts-191400132.html

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