The 28-Day HIIT Challenge – Day 28

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

The 28-Day HIIT Challenge – Day 25

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

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

Firm and Burn HIIT Workout

Jumping Jack Cross-Country Seal X-Jack Mountain Climber Mountain Climber The Mummy Push-Up Seal Jack Squat Squat Hold Sprint 1-2 Push Crab Touch Squat Jump Pedal Squat Lift Ski Squat Cross Push 4 Calf Raises + 4 Taps Reach Up Down

40 Minute Advanced HIIT Workout

Do Set 1 one time. Do Sets 2-4 three times each. Rest for one mnute after each set. X-Jack 1-2 Push Star Reach Sqi-Squat Tiger Push-Up Crab Touch In-and-Out Abs Jumping Jack Mountain Climber Mogul Jump Lateral Lunge Squat Jump Squat Hold Pedal Push-Up Tricep Dip V-Up Russian Twist