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 ...

I've been getting more and more into running lately, and while I've been tending towards long distance running, one of the best ways to beef up your running expertise is by doing what's called HIIT -- ...

High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

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.

High-intensity interval training boosts fitness and muscle endurance more effectively than traditional home exercise programmes in people recently diagnosed with inflammatory muscle disease. That is ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. I used to train with a group that ...

For many, the weight loss journey can feel like an uphill battle. You diligently hit the gym and sweat it out on the treadmill, but the scale stubbornly refuses to budge. If this sounds familiar, ...

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 ...