We all want simple workouts that deliver results, and that's why the 21-15-9 format has become a staple in high-intensity functional fitness. Originally a CrossFit workout, it involves completing one ...
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This Type Of Workout Is More Effective For Weight Loss Than Traditional Cardio, New Research Says
Picture this: a dimly lit workout studio, the pounding of sneakers as people furiously push through burpees, all while a coach yells, “Ten more seconds!” as you yearn for that rest period on the other ...
We all want simple workouts that deliver results, and that's why the 21-15-9 format has become a staple in high-intensity functional fitness. Originally a CrossFit workout, it involves completing one ...
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