High-intensity interval training, HIIT for short, is one of the best kinds of sweat sessions if you're looking to get your heart rate up and work your muscles to their fullest capability in a short ...

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, ...

The no-equipment workout you need to keep everything, er, moving includes rapid-fire reps of squats, plank jacks, knee drives, and skaters. The holidays might be the most wonderful time of the year, ...

Among these pillars of functional training, jumping jacks emerge as a versatile and accessible option that deserves a prominent place in any workout routine. This dynamic move not only engages ...

See how many jumping jacks after 60 signal strong cardio, plus simple steps to increase your count safely each week.

Everything to know about Tabata and its healthy exercise benefits. Inside Creative House / Getty Images Whether you have 10 minutes at your disposal or a full hour to exercise, doing a high-intensity ...

Most of the moves in this 25-minute interval video are combined, like butt-kick squats, jumping-jack squats, and plank jacks with half mountain climbers, making it extra effective. This cardio ...