Add Yahoo as a preferred source to see more of our stories on Google. CrossFit star Kari Pearce said intense, non-traditional exercises help build abs better than crunches. Her favorite underrated ...

The high-intensity, multi-joint movements in CrossFit may help you gain muscle strength and stamina. Adding additional weight to your workouts can further increase muscle gain by adding stress to your ...

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CrossFit star Kari Pearce said intense, non-traditional exercises help build abs better than crunches. Her favorite underrated core moves include hanging leg raises with weight and hollow holds.