Considering its recent popularity — there are currently more than 10 million self-described CrossFitters — it’s worth asking if CrossFit is really all it’s cracked up to be. And according to a small new study commissioned by the American Council on Exercise (ACE), your WOD really is working.
A team of researchers from the University of Wisconsin-La Crosse’s exercise physiology program monitored 16 healthy and fit volunteers as they burpee’d and thrusted their way through two separate CrossFit workouts, Donkey Kong and Fran. The men burned nearly 21 calories a minute while women burned just over 12. Each routine took varying amounts of time to complete, however, all the participants maintained an elevated heart rate throughout the entire workout and reached about 80 percent of their VO2max, satisfying fitness industry guidelines for improving cardiovascular endurance, according to ACE.
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