The Most Intense 3-Minute Ab Workout

• From an Elbow Plank position, slowly rotate the spine to lower your right hip to just above the floor. Come back to Elbow Plank.
• Now lower the left hip toward the floor.
• This counts as 1 rep.
• Do as many reps as you can for 20 seconds.

This is the perfect quick workout to do after one of these cardio workouts:

• 20-Minute At-Home, No-Run Cardio Workout
• 45-Minute Interval Treadmill Workout
• 30-Minute Dance Cardio Workout
• Butt-Toning Elliptical Workout