16 fitness Training metabolism ideas

This HIIT Workout (aka High-intensity interval training) is a great idea if you want to tighten and tone your body and boost your metabolism. HIIT workouts are well known in the fitness and medical world for improving heart health, endurance, inflammation, and metabolic function. This HIIT Workout (aka High-intensity interval training) is a great idea if you want to tighten and tone your body and boost your metabolism. HIIT workouts are well known in the fitness and medical world for improving heart health, endurance, inflammation, and metabolic function. My favorite thing about HIIT workouts is you get to burn calories during the workout and you’ll continue to burn fat after the workout is over, too. (Team Work Smart, Not Hard) I love to do this HIIT workout routine when I’m busy & don’t feel like hitting the gym. I do this routine when I’m