intensity

By now you've probably heard about intensity-boosting techniques like dropsets, rest-pause, and supersets. You know they can be beneficial for increasing muscle. But if you're relatively new to the iron game, you'll need to know when to add them into your workout and which equipment will do the...

One of the biggest misconceptions when it comes to hypertrophy (the scientific term for muscle growth) is that the only factor in building bigger muscles is lifting heavier weights—and that one automatically leads to the other. This myth has been perpetuated for decades by the bodybuilding and...

High-intensity interval training (HIIT) is a popular form of exercise that alternates short periods of intense exercise with recovery periods. It’s especially prevalent among people taking studio classes and participating in on-demand workouts, but HIIT can also be performed solo at the gym or...

There’s a reason high-intensity interval training (HIIT) was named the number 1 fitness trend for 2018: It works. Fitness newbies and workout veterans alike continue turning to these quick, intense sessions as an effective, time-efficient means to lose weight — and keep it off. For example...

Researchers have been debating this question for decades: When it comes to fat loss, are people better off doing HIIT or traditional cardio? There’s little doubt exercise is great for helping people lose and maintain their weight. “The most successful weight-loss maintainers — those who lose...

It’s been a while since high-intensity interval training (HIIT) stormed onto the fitness scene and began its dogged takeover of the cardio universe. One study at a time, HIIT knocked steady-state cardio off its long-held throne, becoming the most relied-upon method for burning unwanted body fat...

Per Bernal Based off my popular LIIFT4 program on Beachbody OnDemand, this efficient and effective upper-body circuit workout combines old-school lifting 101 with the science of high-intensity interval training (HIIT). A study published in the Journal of Strength and Conditioning found that...

Thomas Barwick / Getty Many athletes and bodybuilders swear by high-intensity interval training (HIIT) for building lean muscle and dropping body fat, and they may be on to something, according to new research from the Mayo Clinic. In a recent study, cardiac rehabilitation patients who stuck to...