Half of the head numbness feel a tendon pulling, may be physiological factors, may also be cerebral vascular spasm, cervical spondylosis, neurological headache and other causes.
1. Physiological factors: if the recent long-term late night rest is not good, not enough sleep, the brain can not get enough rest, easy to cause brain dysfunction, may cause half of the head numbness, feel a tendon pulling.
2. Cerebral vasospasm: when cerebral vasospasm occurs, leading to intracranial arterial persistent contraction, it may cause numbness of the head, feel a tendon tugging, may also be accompanied by headache, vomiting and other symptoms.
3. Cervical spondylosis: the normal physiological curvature of the cervical spine of patients with this disease has been changed, if the patient fails to pay attention to the daily maintenance of care, long time to maintain an inappropriate posture, which is likely to cause the neck muscle stiffness, tension, the vascular nerves of the scalp parts of the pull, stimulation, may cause numbness of the head, feel a tendon tugging.
4. Tension headache: when the tension headache attack, can lead to the scalp part of the myofascial contraction, which may cause the head half numb, feel a tendon tugging, may also be accompanied by tinnitus, the head of the tight band feeling and other performance.
The head half numbness feel a tendon tugging, exclude physiological factors, should promptly consult a doctor, after a clear diagnosis of the cause, give targeted treatment.