Pelvic tilt exerciseBy Mayo Clinic staff
Original Article: http://www.mayoclinic.com/health/medical/IM03890
Pelvic tilt exercise
Do the pelvic tilt to strengthen your abdominal muscles. Lie on your back on the floor with your knees bent. Flatten your back against the floor by tightening your abdominal muscles and bending your pelvis up slightly. Hold for up to 10 seconds. Repeat.