Advanced kettlebell HIIT combines explosive strength work with high-intensity cardio for a demanding full-body workout.

Plus, exactly how to get results from whatever activity you love to do.

Here’s your excuse not to work out today. 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, ...

For your speed workout, try a fartlek run/walk: After a walking or easy running warmup, run hard for 30 seconds or as long as ...

Sure, running is just as easy as putting on the right shoes and heading outside, but once you get into it, you start to see information in the form of acronyms, such as DNF (did not finish), FKT ...

Kevin Hart transformed his fitness with sprinting, HIIT, and full-body exercises like cleans and presses to keep fit in his ...

Steady-state cardio may be more helpful for beginners looking to manage their weight, while HIIT is a great way to boost ...

Boost your endurance and strength, all at once.

New clinical data suggests that just ten minutes of vigorous activity triggers systemic changes in your blood, potentially slowing cancer progression and repairing DNA.

High intensity interval training could be the secret to staying young. — -- Exercising by doing interval training, not weight lifting, could be the secret to staying young, according to a new ...

The pre-workout staple, known for its itchy onset, could help you push through training sessions longer.

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 ...