Methods The largest force of thumb to against the spinous process of cervical and lumbar vertebra were tested and recorded with a pressure sensor testing system.

The side view of the upper surface of the pillow takes the shape of a smooth curve and the upper surface is provided with a groove capable of holding the spinous process of the cervical vertebra.

Results All patients were cured completely by treatment of FSM through redressing spinous process displacement and receding swelling of little joint capsule in cervical vertebra.