20-Minute Kettlebell HIT Workout

20-Minute Kettlebell HIT Workout: "he buzz on HIT (high-intensity interval training) is heating up, with new boutique sweat shops modeled on this to-the-max method popping up everywhere. "All-out intervals push your body past what it's used to, which means you're shocking your muscles and forcing them to change," says Eric Salvador, the head instructor for the Fhitting Room, a recently opened HIT studio in New York City. Jump-start your results in just 19 minutes with Salvador's killer kettlebell routine. Using a pair of 10- to 15-pound kettlebells, do as many reps as you can of an exercise in a minute, rest for 30 seconds, then move on to the next. Rest for one minute after completing the circuit, then repeat it once more. You'll burn a scorching 10 calories or so every minute and feel firmer by the time you towel off."



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