Hit Up Some High Intensity Intervals

Rather than spend hours on the elliptical, cut your workout time down with high intensity intervals, says Geoff Bagshaw, area group fitness manager for Equinox in Miami. Intervals, short bursts of maximum effort cardio followed by rest periods, along with resistance training, will elevate the rate you burn calories, helping to torch fat and increase lean muscle to give you the tone and definition youre looking for.