The 28-Day HIIT Challenge – Day 13

Rest for one minute after each round. Sprint Mountain Climber Cross Jack Crab Touch Side Suicides Tiger Push Up Skater Jump Russian Twist

The 28-Day HIIT Challenge – Day 6

Each set in this workout is engineered to work as many muscle groups as possible, super-charging your metabolism. Remember form is especially important – quality trumps quantity! Sprint Cross-Country Seal X-Jack Mountain Climber Squat Reverse lunge Squat Jump Jump Lunge Power Knee Burpee Tiger Push-Up

The 7-Day HIIT Challenge – Day 6

Rest for one minute after each round. Sprint Mountain Climber Cross Jack Crab Touch Side Suicides Tiger Push Up Skater Jump Russian Twist

The 7-Day HIIT Challenge – Day 2

Each set in this workout is engineered to work as many muscle groups as possible, super-charging your metabolism. Remember form is especially important – quality trumps quantity! Sprint Cross-Country Seal X-Jack Mountain Climber Squat Reverse lunge Squat Jump Jump Lunge Power Knee Burpee Tiger Push-Up

The 3-Day HIIT Challenge – Day 3

Rest for one minute after each round. Squat Sprint Jump Lunge Tiger Push-Up Seal Jump Burpee X-Jack

Power Hour HIIT Workout #3

Do each set three times. Rest for 30 seconds after each set. Total time: 45m Warm Up Work Out

Power Hour HIIT Workout #1

Do each set three times. Rest for 30 seconds after each set. Total Time: 45m Warm Up Workout

4 Minute Metabolic Booster HIIT Routines

Sprint Squat Push Up In-and-Out Abs X-Jack Cross-Country Seal Crab Touch Star Sprint Spiderman Up Down 1-2 Push Power Knee Squat Jump Burpee Burpee Jump Lunge Cross Push Cross Jack Squat Pedal Tiger Push Mogul Jump V-Up