(1) Fixing the cervical vertebra in a proper position to maintain normal physiological curvature;
(2) Limiting abnormal activities of the cervical vertebrae and reducing unstable factors;
(3) Supporting the weight of the head to reduce the pressure on the cervical vertebra;
(4) Reasonable wearing plays a certain role in cervical traction;
(5) Effective external fixation, significantly reduce local inflammation and nerve root edema, effectively relieve symptoms!