Kaley Cuoco, Mary-Kate Olsen and Iggy Azalea have all spent time in the saddle as amateur equestrians — Azalea even said riding horses "saved my life and gave me my confidence back" — and Georgina ...

Your feet stay planted on the two footholds. Instead of an impact when your foot hits the ground with walking or running, you complete more of a gliding motion. Some ellipticals have hand bars. Moving ...