Note: Perform this workout at least two times a week separated by at least 48 hours rest. You should experience a deep muscle soreness after each one of these workouts. Focus on using a load that causes failure within 8-12 reps and then move to the next exercise. This is a non-stop circuit. Rest 1-2 minutes and repeat until you reach 4 sets total.
Leg Raise
Hip Raises
Leg Flutters
Plank Arm Raise
Romanian twists