The 28-Day HIIT Challenge – Day 27

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

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 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 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

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 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

8 Moves Only HIIT Workout

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