Steady-state cardio focuses on keeping a consistent, moderate pace, while HIIT uses short bursts of hard work and short bursts of rest.Steady-state cardio is easier to sustain and may lead to more fat ...

Advanced kettlebell HIIT combines explosive strength work with high-intensity cardio for a demanding full-body workout. Designed for experienced athletes, this routine challenges power, endurance, and ...

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 ...

For your speed workout, try a fartlek run/walk: After a walking or easy running warmup, run hard for 30 seconds or as long as ...

A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older adults, by helping to lose fat while preserving muscle.

Plus, exactly how to get results from whatever activity you love to do.

People who’ve had a stroke might worry about pushing themselves hard at the gym. New research suggests high intensity interval training (HIIT) can do more to improve fitness than moderate-intensity ...

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 ...

Plus, the surprising benefits of turning the intensity down a notch.

Boost your endurance and strength, all at once.