mardi 23 juillet 2013

Are High Intensity Interval Training Workouts Designed For Fat Loss Or For Lean Muscle Growth?

By Russ Hollywood


Unless you have been living under a rock for the last three-to-four years, you have probably already heard about high intensity interval training. However, one of the biggest questions surrounding this training method is quite difficult to find an honest answer to - can you build lean muscle with it or is it reserved for fat loss workouts?

The old approach, of course, is to do a resistance session and then jump on a bike for some light cardiovascular work to get yourself into the so-called 'fat burning zone'. []

However, this is now considered as yesterday's advice. Modern science has seen high intensity interval training become one of the most sought after methods when it comes to fat loss, and more recent studies have also shown it to be an excellent method for those looking to increase lean muscle mass, too.

You read that correctly - performing a HIIT workout has been proven by modern science to burn off more calories and promote more lean muscle growth than regular, steady state cardio. If you find the prospect of an hour on the bike to be pretty dull, then this discovery should really appeal to you.

The next discovery may well shock you to your core if you are a long-term gym user. Cardiovascular activity should be performed before a resistance training, as opposed to afterwards. Not only will this increase your fat loss results, but it will also improve muscle retention as well. Let the magnitude of that fact sink in for a moment, because over 90% of gym members insist upon doing their cardio work after they're finished on the weights.

A Canadian study found that cardio exercise followed by weight training was vastly superior to doing it afterwards, both for fat loss and lean muscle retention. This study dates back to 2001, but was vastly under-reported and so it went under the radar of many trainers.

Of course, it is also important to discuss the increased difficulty which will be served up by a HIIT workout in comparison to regular, steady state endurance exercise. You won't be able to do this every day of the week, particularly if you are also doing resistance training. That's actually a good though, though, as it will allow your body to recuperate fully.

While regular cardiovascular exercise is good for your heart and certainly still has it's value, high intensity interval training is superior for both fat loss and lean muscle gains. If your goal is to learn the most effective ways to build muscle this year, then HIIT is certainly something you should be trying very soon.




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