My 12-minute low-impact HIIT workout for bad knees is gentle on joints while providing an effective workout, perfect for all fitness levels.

SIT is one of the most effective ways to transform your body quick. Check out our favourite sprint interval training workouts!

Get all the benefits of high intensity interval training in this Full Body HIIT Workout for women! 9 dumbbell HIIT exercises at home!

A HIIT workout is a great way to burn calories and fat while building muscle - but what exactly IS a HIIT workout?

Brief 10-minute HIIT (high-intensity interval training) workouts can boost your metabolism for hours afterward, raising the body’s calorie-burning power throughout the day. These are the BEST 10-minute HIIT workouts I've found to boost energy levels, improve sleep, and keep fit.

Try out this sprint running interval workout to really get full body benefits // and check out the article for 3 other sprint workouts to try in your workouts

Get fit in 30 minutes with these 30 minute full body HIIT workouts. Build strength with our dumbbell HIIT workout or burn calories with our no equipment HIIT workout for at home.

British distance athlete Charlotte Arter shares some of her favourite sprint workouts to help increase your running speed and endurance.