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Prime time performance: The ultimate blueprint for fitness after 50

Aging doesn't have to mean slowing down. Discover how a strategic mix of interval training and heavy lifting can naturally ...
Women's Health

21-15-9 Is Crossfit’s Most Famous Rep Scheme. Here’s Why It Still Dominates Gyms.

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 ...
Women's Health

Build strength fast with 21-15-9 – the rep scheme that makes hard workouts feel more manageable

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 ...