Competition brings out the best in us -- even when we're not conscious of it. The brain, it appears, can kick one's body into h...

Medicine balls are fun to heave against a wall (note: not really), but what else can you do with a heavy ball? Well, we could always try t...

Think CrossFit is insane? Last week, my buddy Mint heard about "chess boxing" on NPR, and -- being the activity junkie that he is ...

What’s the first thing you do after finishing a heart-pounding workout at your CrossFit box (other than making sweat angels on the floor an...

Sometimes, during exercise, shit happens : At Wimbledon in 2001, Serena Williams was suffering from a stomach virus and ran off the court ...