Is HIIT Good For Muscle Growth?

By Russ Howe


There is so much conflicting advice in the gym that most people find it almost impossible to learn how to build muscle effectively. One of the biggest areas of concern surrounds HIIT.

Many people who perform this type of exercise are going for weight loss, however there is also a major use here for those looking to improve size and strength.

While there are certainly multiple benefits to be had from a good cardiovascular exercise plan, most people don't find cardio as interesting as weight training. This is particularly true with men, who seem far more interested in resistance workouts than hitting the treadmill or elliptical trainer.

Naturally, this behavior stems from a largely untrue stereotype that cardio is for women and weights are for men. This age old belief is something which has held countless gym members back for years and it's built upon lies.

However, if your primary goal is hypertrophy you are the exact type of person who should be performing regular cardiovascular workouts and one of the best forms of this is high intensity interval training. Not only is it great for fat loss, it'll also help you to build more lean tissue.

That's right. Even though it's cardio, you will still be able to get bigger. This is largely because of the intensity of the work. Although you might be using a treadmill or an exercise bike, your workout isn't going to be a dull, slow paced, aerobic affair.

Interval training is very simple when you get down to the finer details of it. Basically your aim is to switch from a moderate level to a high level every so often, causing your body to be unable to adapt. This will have similar effects on your muscles to a resistance workout.

First of all, which energy system does your body use when you are training with weights? Your anaerobic energy system. During any high intensity interval workout you'll be tapping into the exact same energy resource.

Things get even better when you look at how your body burns calories during this type of training. During a normal session your body stops burning calories when you stop exercising. However, if you have performed an interval session your body will continue to burn calories at an increased rate for 16 hours afterwards! This is also known as 'the afterburn effect'.

As you can see, learning how to build muscle isn't necessarily all about hitting the weights. HIIT is a great way to increase lean tissue, with the added benefit of stripping away unwanted body fat at an increased rate.




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