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 7

Perform each set three times before moving to the next. Rest for 30 seconds between sets. Sprint Cross Jack Seal Jack Mountain Climber Squat Reverse Lunge Squat Hold Lateral Lunge Plank T-Stand The Mummy High Knees Push-Up Pike Bicycle Crunch

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