Short, intense bursts are powerful: HIIT showed slightly stronger effects on some cancer-fighting proteins, suggesting that ...

In TODAY.com's Expert Tip of the Day, a trainer explains how sled training combines strength training and cardio for an ...

A single session of high-intensity exercise can disturb the body's main stress hormone, leading to less activity after the workout, a lower body temperature, and weight gain, a new study of mice finds ...

TOOLBOX: Interval Training is popular in cycling and many other sports. High-Intensity Interval Training (HIIT) involves short periods of hard efforts separated by low-intensity recoveries. Let’s dig ...

Pushing harder isn’t always better—especially when your goal is to feel good, not just perform.

Veteran actor Anita Raj makes high-intensity workouts look ‘fun’. If these videos of the actor don't make you want to hit the gym, we don’t know what will.

Stair climber workouts can benefit your fitness and your health—here's how they stack up against other forms of cardio.

It’s a type of high-intensity interval training workout created by Japanese scientist Izumi Tabata. Like other forms of HIIT, it involves periods of exercising intensely with an elevated heart rate, ...

A new study in the European Heart Journal offers new insight into why doing high-intensity exercises could hold the key to ...

An oft-quoted 2010 study suggested that low-intensity exercise is more effective for weight loss than high-intensity exercise. In this study, conducted by researchers at the University of Udine, Italy ...

One woman was admitted with a life-threatening condition called exercise-induced or exertional rhabdomyolysis, rhabdo for ...

When country singer Russell Dickerson became a father in September, he vowed he wouldn’t succumb to dad bod. With less time for the gym, he embraced high-intensity workouts and found ways to include ...