"We live our lives in a three-dimensional world so why not train in one as well," said Paul Katami, group exercise manager of /*Equinox*/. One of his favorite functional workout tools is the ViPR.

Every now and then somebody reinvents the wheel, especially in an industry know for trends and gimmicks. Well that seems to be the case with a recent exercise craze known as ViPR. ViPR stands for ...