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

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.

Lack of time is often the main reason people don’t exercise regularly. But a type of interval workout recently popularised by ...

Challenge your core and cardio skills with this 10-minute HIIT workout led by fitness trainer Natalie White. She's joined by class members Luisa Fonseca and Madisyn Maniff for this high-energy cardio ...

A new expert breakdown ranks the top workouts for sustainable fat loss — and the winning routine might surprise you.

We’ve created the ultimate HIIT workout with dumbbells to build full-body muscle in seven moves. These exercises should push your limits and spike your heart rate, sculpting muscles from head to toe ...

Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

Mad Hiit is a high intensity interval training group fitness offered at the Big Picture Theater Mondays and Thursdays at 8:00 ...

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

A HIIT workout can be tricky to define because, at its core, it just means a string of exercises that gets your heart racing, providing a calorie-burning cardio boost to what would otherwise be a ...