As in TRUE tradition, the M50 Treadmill provides a softer deck cushion on front where foot impact takes place, while providing dependable firm foot push off towards the back. This provides the smoothest, most natural motion available. In addition, TRUE HRC Cruise Control® allows you to lock...
Running against wind or on uneven terrain engages more of your muscles, requires more energy, and burns more calories (10 percent more, says Margulies).If you can't get outside, do speed work on the...