High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

Significant improvements in aerobic fitness were noted after 12 weeks of high-intensity interval training sessions compared to traditional, moderate exercise sessions, according to a new study.

On TikTok, workout tips abound — some credible, some dubious. And recently, you may have been hearing about something called sprint training, which falls somewhere between 12-3-20 treadmill workouts ...

Think you always need long, slow strength sessions to build strength and burn fat? Think again. New research suggests that high-intensity circuit training—workouts that pack multiple strength moves ...

This month we will be alternating between HIIT walks and a simple HIIT routine that uses just your bodyweight to get your heart rate up. On days when we’re doing walking workouts, you have three ...

Oct. 12, 2012 -- Don’t have time to exercise? That excuse no longer works. Increasing evidence, including new research presented this week, shows that even short workouts that include surges of very ...

Because high-intensity interval training (HIIT) can take just 15 to 20 minutes for a full session, it tends to be an efficient addition to a workout routine, especially if you usually do steady-state ...