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HIIT-research-585Have you heard the buzz about high-intensity interval training (aka HIIT) lately? It’s a simple—albeit sweat-inducing concept: You do intervals of super-high intensity for maximum calorie burn. And the upside of working your tail off intensity-wise? You can significantly cut your workout time. Woohoo!

Previously, researchers thought that to gain benefit from HIIT, you had to be working hard, like all-out, wanna puke hard. But researchers now believe that it doesn’t have to be 95 percent effort to reap rewards; less intense exercise intervals are beneficial, too. The reasons are unclear exactly why, but scientists believe that HIIT stimulates many of the same cellular pathways that are responsible for the beneficial effects we associate with endurance training.

Trade that long workout for a quick HIIT!


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  1. Sarah says:

    I’ve been trying HIT but worry about how high my heart rate gets. It gets above 85% which I think is the max it is supposed to get?

  2. Lisa says:

    This sounds like interval training….with a new name…..

  3. Kylee says:

    Interval training has been around forever. As a former collegiate runner, I find the HIIT fad rather obnoxious. It’s like a slacker version of hitting the track for 10x400m repeats at race pace (still takes an hour with warm-ups and cool-downs).

  4. Mary says:

    I find that doing HIIT on my own gets boring. Plus, I never push myself as hard as I do when I’m using this killer coached HIIT album I found on iTunes: http://bit.ly/HIIT_Mix_iTunes.

  5. I LOVE doing HIIT workouts! It’s a very efficient use of my workout time. Good to know that I may not have to work as hard as previously thought because some days it’s hard to push myself. 🙂

  6. Cara says:

    I love HIIT workouts. I’ve done both short (12min) and long (45-70min) routines and I feel great after. I really try to push myself to get the most out and I am seeing the results. I’ve lost 8lbs since starting in January, my body is more toned, and I’ve noticed improvement in overall physical fitness. I would highly recommend them and have become totally addicted 😀

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