HIIT
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With HIIT, the workouts are shorter, but you’ll actually be working harder than being on the treadmill. (If you are unsure of what HIIT is then see here.)
So what is it about HIIT cardio training that sends bodyfat to the great beyond? There are actually several reasons, but the first and perhaps most important involves its effect on your metabolism.
A 1996 study from Baylor College of Medicine (Houston) reported that subjects who performed a HIIT workout on a stationary cycle burned significantly more calories during the 24 hours following the workout than those who cycled at a moderate, steady-state intensity due to a rise in resting metabolism. Why? Since HIIT is tougher on the body, it requires more energy to repair itself afterward.
More recently, a study presented by Florida State University (Tallahassee) researchers at the 2007 Annual Meeting of the American College of Sports Medicine (ACSM) reported that subjects who performed HIIT cardio burned almost 10% more calories during the 24 hours following exercise than a steady-state group, despite the fact that the total calories burned during each workout were the same.
The bonus to all this research is discovering that shorter exercise sessions will allow you to hold on to more muscle.
Tips
1. Use The Right Time
2. Preserve Muscle3. Make It An Uphill Climb
4. Get In And Out
Sample routines can be found here
