Go to the gym. Load up a barbell. Pick the bar up off the ground ten times. Then jump up and down off a twenty-four inch box ten times. Follow that with ten pull-ups. Repeat the sequence as many times as you can in sixteen minutes. Congratulations, you’ve just done a CrossFit workout! To some people, it sounds like hell. To Reebok, it’s a way to invigorate a brand.

CrossFit is an exercise regimen that combines elements of gymnastics, weightlifting, and endurance sports with the goal of creating the ultimate level of cross-functional fitness, and it’s caught on like wildfire. The first CrossFit gym, called a “Box,” opened in 2000. Today, there are more than 8,000 worldwide. In 2007, CrossFit … Continue Reading