When it comes to preparing for the great outdoors, indoors, few movements are as suited to building mountain legs as the humble box step-up. The CrossFit Hero WOD ‘Chad’, which challenges you to do ...

Add Yahoo as a preferred source to see more of our stories on Google. Before you walk up to the box and get prepped to step, take note that it's extremely important to pay attention the movement here.

In the U.S. fitness and healthy lifestyle community, step-ups are widely recognized as one of the most effective functional exercises. They train leg strength one side at a time, helping correct ...