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

By Russ Hollywood


With high intensity interval training becoming one of the hot trends of the last few years in the fitness industry there is one burning question which most gym enthusiasts want to ask - can you build muscle and maintain it with HIIT?

For years, it was believed that performing high intensity cardiovascular activity was a sure-fire way to waste all of your efforts when it came to lifting weights. []

If you are trying to gain size you can get fooled into believing you only need to work hard on the weights, or that cardio work is dull and boring. However, recent studies show that muscle gains were massively increased thanks to the incorporation of HIIT into weekly resistance workouts in place of dull, regular cardiovascular activity.

If you are one of the many people who finds their cardiovascular activity to be somewhat dull and repetitive, the discovery that HIIT can burn significantly more fat while also retaining lean muscle in a superior way to regular cardio should ring like a church bell. This is the news you have been waiting for, after all. Finally, you don't have to sit on the bike for an hour five times per week!

If you are going to make the most of this great training method you need to understand a little about how it works. How many times have you seen bodybuilders jump onto bikes after a weight lifting session and pedal for upwards of 45 minutes to burn off body fat? This approach is now also considered to be yesterday's advice. Not only should they be doing high intensity cardio, they should be doing it prior to their weights. If you have been training for a while, this news will probably be a major shock to you because despite the fact there's a wealth of proof to back this approach up, most people do their cardiovascular work after resistance training.

The study which discovered this information was actually completed back in 2001, but was under-reported in the media at the time. As a result it has gone largely unnoticed by the general population and most fitness instructors, who still follow the old belief that doing cardio work before a weights workout will fatigue the muscles.

One other aspect which has to be taken into consideration here is the increased difficulty of a high intensity interval training session versus a steady state cardio session. This means your body will need additional time to recovery. You shouldn't be performing intervals every single day, because you can get better results by letting your body recover fully. Three-to-four sessions per week is enough for most people.

Furthermore, research shows that high intensity interval training burns of 6 times as much fat as regular cardiovascular activity, making it a sensible choice if you are trying to figure out how to build muscle while maximizing your fat loss in the process.




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