Your reasons for not doing high-intensity interval cardio have expired. Their speed is Oxygen restricted not strength restricted therefore the leaner body build up. But to say that HIIT works for your benefit so you won't end up looking like the man on the left is only ignorant. I had also add that elite endurance athletes do far more interval training in relation to the average gym rat can ever imagine to do. Now, I'm not an elite endurance athlete my any means but I might not consider a 20 minute workout intensive.

King, J.W. A comparison of the effects of interval training vs. continuous training on weight loss and body composition in obese premenopausal women (thesis). I dieted with individual sessions never going for more than 25 to thirty minutes before this shoot to go from 9 and did no more than 2 hours of cardio per week, for about 6 weeks. A more practical way of prescribing intensity in your training that is HIIT is thinking along with your Vmax.

By mixing up your short, 30-minute workouts you'll be able to keep the body surprised and challenged. Here's a monthly calendar of HIIT workouts you can do each day to really find results. Get ready for an adrenalin work out that gives results to you and only takes 30 minutes of your time! HIIT, or high intensity interval (http://www.dipity.com) Training," is a physical training theory where the individual alternates periods of brief, intense anaerobic exercise with less extreme exercise (healing periods).