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 7

Sprint Cross-Country Seal Power Knee Mountain Climber X-Jack The Mummy Reach Burpee Squat High Knee Jump Lunge

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

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 #2

Do each set three times. Rest for 20 seconds after each set. Total time: 45m Warm Up Workout

Power Hour HIIT Workout #1

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

30 Minute HIIT Workout – When in Doubt Workout

Perform each set three times before doing the next. Rest for 30 seconds between sets. Sprint X-Jack Seal Jack Mountain Climber Squat Reverse Lunge Squat Jump Jump Lunge Plank Punch Speed Skater Mogul Jump Star High Knees 1-2 Push Pike Double Cross