Cardio Kickboxing

You’re probably most familiar with HIIT as a cardio workout, and it’s true that it does lend itself well to cardio-based sprints, whether you’re running, on a bike, or on a rower.  But you can use HIIT in strength-based workouts too. HIIT routines that involve bodyweight work or added weight, such as kettlebells, medicine balls, or dumbbells, will work your muscles while spiking your heart rate,