The recent 25-minute workout looked like it would fit ... so the fact that I was seeing similar heart rates to long runs and HIIT workouts was pretty shocking. That being said, I was speeding ...

A typical SIT workout begins with a five-minute light cardio warmup to condition muscles for activity, followed by a maximum ...

Exercises (13 minutes): Each of the 13 exercises is performed for 1 minute, working at a pace that allows you to maintain good technique without losing intensity. If you are a beginner, you can start ...

Want to burn fat fast? These five treadmill workouts go beyond running, incorporating incline, sprints, and HIIT to maximize ...

Place the kettlebell on an exercise mat (and be sure to use one if you have a hard floor surface), then adopt a high plank with your hands on the bell of the kettlebell; this positions your arms ...

It’s all gas, little breaks for this killer five-minute HIIT workout. Ngo Okafor, the owner and founder of Iconoclast Fitness, and two-time Golden Gloves Championship winner goes through another ...

Dance it out and sweat with this cardio combo featuring body rolls, squats, and plenty of high-impact exercise.

These fitness professionals’ go-to HIIT workouts only take 15 minutes, proving that sometimes a shorter sweat session is actually better than a longer one. We’ve designed this bodyweight ...

A typical HIIT workout can be anywhere from 10 minutes to 30 minutes, so fitting it into your schedule should be doable. Plus, according to a 2014 study, doing only three, 10-minute sessions per ...