This month we will be alternating between HIIT walks and a simple HIIT routine that uses just your bodyweight to get your heart rate up. On days when we’re doing walking workouts, you have three ...

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

Just in time for the new year, Apple Fitness Plus announced fresh additions to its workout catalog. Starting Jan. 5, ...

Torch calories and build strength with this quick full-body dumbbell HIIT routine. Perfect for home workouts that are fast ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training ...

Apple is adding four new workout programs to its Fitness+ subscription on Monday while touting the results of a new study.

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

As personal trainer Aimee Victoria Long explains: "If you only have the time to do ten minutes of exercise a day, that’s still ten minutes better than doing nothing. Think about it - if you do one ten ...

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! This month we will be alternating between HIIT walks and a ...

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