Can a one-arm handstand ever be mistaken for a basketball slam-dunk? Nike says yes, and the global sneaker maker is suing CrossFit CityPlace in West Palm Beach over CrossFit’s one-arm handstand logo.

Whether you're into CrossFit or not, Mat Fraser is a truly impressive athlete. He's won the CrossFit Games four years in a row, making him the reigning World's Fittest Man. And one of the exercises he ...