Long before fitness influencers started selling HIIT programs, boxing had already perfected the format. Every boxing workout in history has been built around the same structure: rounds of intense work ...

Sticking to those fitness resolutions is easier said than done, but if we don’t overthink it and we keep it realistic and practical, we have a better chance of seeing it through. You’re also more ...

High-intensity interval training involves performing an all-out, exhaustive physical effort for a short time followed by a short (sometimes active) recovery. Its benefits are clear: Effective HIIT ...

Get ready to up the ante with a fun-filled outdoor HIIT session, presented by Allegra. Hosted by Class Fitsugar trainer Jenna Willis, and assisted by Nikki Keeshin and Paris Nicole, this HIIT workout ...

High-intensity interval training has transformed the landscape of modern fitness, offering scientifically proven results in condensed time frames. This comprehensive seven-day program combines intense ...

For a low-impact cardio sweat sesh, try this HIIT workout without jumping. (It's also great if you have downstairs neighbors.) Squat to kick: “A good exercise to include in every workout is going to ...

You've likely heard all about the benefits of exercise for your heart, lungs and blood sugar. Basically, it does the whole body—and mind (thanks, endorphins!) good. However, you may have stopped using ...

If you had to pick the better runner — a sprinter or a marathoner — the answer would depend on the type of race. In a 200-meter race, the sprinter will have an edge over the marathoner, but if it ...

If you're short on time but still want a good burn from your exercise routine, high intensity interval training (HIIT) may be the best option for getting the most from your workouts. "As opposed to ...