If your “HIIT” workout allows for this, great! But pretty soon you’ll be strong enough that the workout isn’t challenging your muscles enough to grow. You really do need to train ...

High-intensity interval training ( HIIT) involves short bursts of intense exercise alternating with low-intensity recovery ...

High-intensity interval training, or HIIT workouts, has been a top 10 fitness trend since 2014. Yet there are similar forms of interval training that may be a better fit for your training goals ...

With its many benefits, there are as many reasons to participate in HIIT sparingly or not much at all in relation to weight loss. It is easy to understand how these workouts can be addictive. 1.

But ask 10 people what a HIIT workout is, and odds are, you’ll get 10 different answers. The fitness industry has created a wide variety of iterations that aren’t actually HIIT.

Some super high-intensity HIIT workouts will take you right up to 90% or 100% of your max heart rate for a short time to really crank up the heat. To calculate your max heart rate, subtract your ...