When you picture the typical high-intensity interval training (HIIT ... So what happens when you need a spicy HIIT circuit that focuses on the arms, shoulders, chest, and back?

HIIT workouts alternate between short ... Remember to pump your arms and get your body involved. Keep your head up and look forward without slouching your shoulders or back.

High-intensity interval training workouts, or HIIT, which involve bursts of high ... sit back into a chair and stand, raising your arms overhead as you stand. Remember, to be effective, this ...

HIIT workouts speed up the metabolism ... Jump both feet out to the sides as you raise the arms out to the sides and up overhead. Bring the arms down as you jump the feet back to center.

Today we're going to do a High-Intensity Interval Training workout, or HIIT, H-I-I-T ... Make sure you're swinging your arms with your legs. All right, five more seconds. All right, 10-second ...

Boxercise has been around since 1992, and it's picking up steam again. Level up your workout routine with this high-intensity ...

Barre is entering the fitness mainstream. One writer makes it her mission to go to two barre classes a week, for a month, at ...

That’s why I was excited to stumble across this 10-minute workout from Chris Hemsworth and his longtime trainer turned friend ...