POST NATAL CARE Pelvic rocking on all fours This is done in prone kneeling with the back parallel to the floor. The pelvis is rocked by alternately tightening the glutei and the abdominal wall and then relaxing them. The lumbar spine is humped up and hollowed down alternately. (same as above) When Flexion and extension of neck is also done with the humping and the arching respectively, the neck is also exercised.   A very good exercise for the whole spine mobility especially in bamboo spine. (Ankylosing Spondylitis) Previous Exercise Next Exercise MAIN PAGE