2, headache. Among them, greater occipital neuropathy is the main cause of headache. Clinically, vertebral artery spasm causes ischemia of the greater occipital nerve, leading to headache in the area dominated by the greater occipital nerve, which is intermittent jumping pain, radiating from one side of the posterior neck to the occipital part and half head, with burning sensation. A few patients have hyperalgesia, and the pain is obvious when touching their heads.
3, upper limb numbness or single limb numbness. Radiation pain, cold, numbness, cold or heat shock, weakness, inability to stand, walk and squat can occur in upper limbs or single limbs. It gets worse after exercise and lightens at rest.
4, nerve root symptoms.
(1) Neck symptoms: neck pain, soreness and stiffness, which get better after exercise or massage; Get up in the morning, fatigue, improper posture, suddenly aggravated after cold stimulation; There is a "quack" sound in the movable neck; Press the pain point on the neck with your hand; There is ligament "bounce" in neck massage, and the neck rotation is not flexible enough.
(2) Shoulder symptoms: heavy shoulders, shoulder pain and swelling, neck muscle spasm, pain when pressing the neck, sometimes severe pain, fatigue, sedentary, improper posture aggravated.
(3) Back symptoms: Back muscles are tense and stiff, and get better after exercise or massage; There are pain points in the back, and the symptoms of back discomfort are aggravated after fatigue and cold.
5. Visual impairment. Vertebral basilar artery system spasm caused by cervical spondylosis, followed by ischemic lesions of occipital visual center. A few patients may have symptoms such as decreased vision, blurred vision, and even blindness in severe cases.