The 28-Day HIIT Challenge – Day 15

For all levels, repeat the set four times. Rest for one minute after each set. Sprint Plank Jumping Jack Plank Rotation Squat Burpee Push-Up Seal Jack Plank Punch Squat Jump Alternating Leg Lift Burpee 1-2 Push Star In-and-Out Abs Squat Pedal

The 28-Day HIIT Challenge – Day 14

High Knees Grasshopper Burpee Spiderman Star Ball Press Jump Lunge Reach Side Suicides Squat Pedal Ski Jump Sphinx Power Knee Squat Jump 1-2 Push

The 28-Day HIIT Challenge – Day 12

Do each set three times. Rest for 30 seconds after each set. Squat Rotated Donkey Kick Lateral Sweep Reverse Lunge Rotated Donkey Kick Lateral Sweep Star Squat Pedal Grasshopper

The 14-Day HIIT Challenge – Day 14

High Knees Grasshopper Burpee Spiderman Star Ball Press Jump Lunge Reach Side Suicides Squat Pedal Ski Jump Sphinx Power Knee Squat Jump 1-2 Push

The 14-Day HIIT Challenge – Day 10

Yelling, “I’m a star!” as loudly as possible is optional during this routine, but highly recommended! That brief moment of levity may make you forget how much your legs and legs are burning during this blockbuster workout. X-Jack Jump Lunge Star Cross Push

The 14-Day HIIT Challenge – Day 6

Do each set three times. Rest for 30 seconds after each set. Squat Rotated Donkey Kick Lateral Sweep Reverse Lunge Rotated Donkey Kick Lateral Sweep Star Squat Pedal Grasshopper

The 14-Day HIIT Challenge – Day 4

For all levels, repeat the set four times. Rest for one minute after each set. Sprint Plank Jumping Jack Plank Rotation Squat Burpee Push-Up Seal Jack Plank Punch Squat Jump Alternating Leg Lift Burpee 1-2 Push Star In-and-Out Abs Squat Pedal

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