From yoga to Pilates, a fitness expert outlines the best floor ab workouts to slim your waist in 30 days and why they're ...

Researchers investigate whether high-intensity interval training-induced metabolic benefits sustain or differ after prolonged ...

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 ...

What it’s all about: This workout centers around 60-second sprints. To figure out your sprint speed, consider your steady-state pace—a pace you can maintain for about 25 to 30 minutes—says ...

HIIT workouts should range from five to 45 minutes per session. Watts, too, emphasizes recovery for proper bodily function. “Making sure that you allow time for recovery is so important for your ...

In a five-year Norwegian study looking at 1500 adults, participants were placed into three groups: HIIT ... training and moderate intensity exercise. The sprint group spent around 25 minutes ...