Everything you need to know about high-intensity interval training to help you hit the ground running in 2026—including a low ...

High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

There may, however, be a shortcut. High-intensity interval training ( HIIT) promises to get you fit with just a few minutes ...

‘This type of interval training is effective because it trains both your body and your brain,’ adds Pace-Humphreys. ‘You’ll ...

Skip joint-jarring HIIT. Try 6 daily low-impact routines that boost metabolism, protect joints, and support fat loss after 50 ...

If you're looking to torch stubborn belly fat, boost your cardio conditioning, and challenge your lower body—all while staying in one spot at the gym—the stair climber is your secret weapon. With ...

This interval-based walking technique can help to enhance your strength, aerobic fitness and resistance to illness and injury ...

HIIT workouts are meant to be fast and furious. They rely on explosive exercises like burpees, high knees, kettlebell swings, sprints, and other moves that spike your heart rate and make you sweat — ...

The phrase “putting the hammer down” commonly refers to drivers smashing the accelerator pedal to pick up a burst of speed, often to beat a waning yellow light. Runners use this idiom in much the same ...

Jenny Hardman loves her daily workouts at Orangetheory and says she understands why they're USA Today's #1 Gym!