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 ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

Sprint interval training, or SIT, is super trendy right now. It’s a great way to improve your running speed and to get in a hard interval workout, and I’ll explain exactly how. But I also need to ...

Whether you want to go all-out on a sprint or conquer some hills, this workout has it all—and you can do it in 30 minutes. But even if the weather is ideal, the treadmill can help you hone in on ...

Research shows this simple routine can rapidly improve endurance and health — no gym required. The 7-minute workout is the ideal way to get fit: It’s fast, efficient and fun. It also builds endurance, ...

Interval running condenses the powerful effects of regular running into shorter, high-intensity bursts. Research shows it can ...

Typically, in sprint interval training, you’ll run for a set amount of time and then rest, progressing your effort to getting faster and faster each interval. Or you might do something called a ...

Determining whether high-intensity interval training (HIIT) is an appropriate form of exercise for the average person has been hotly debated for years. But for one UBC Okanagan researcher, there's not ...

Influencers call sprinting the ultimate fat-burning workout. Experts say it’s more nuanced—but research shows this high-intensity exercise offers surprising benefits for the heart, muscles, and even ...

The 7-minute workout is the ideal way to get fit: It’s fast, efficient and fun. It also builds endurance, strength and confidence, requires barely any gear or experience, and can be completed in ...