Hand numbness and weakness may be due to physiological reasons or pathological reasons such as cervical spondylosis and carpal tunnel syndrome.
1. Physiological factors: If the hands are stimulated by cold, or the hands are pressurized for a long time or kept in the same movement, it can lead to poor blood circulation, which can easily cause the symptoms of hand numbness and weakness.
2. Pathologic factors:
(1) Cervical spondylosis: when cervical disc herniation, prolapse, spinal stenosis and other lesions, it can compress the spinal cord, nerve roots, vertebral artery, sympathetic nerves and other tissues around the cervical vertebrae, leading to hand numbness and weakness, neck and shoulder pain, dizziness and nausea and other clinical manifestations.
(2) Carpal tunnel syndrome: mainly due to long-term compression or injury of the median nerve in the carpal tunnel, which can cause hand numbness and weakness, pain and other symptoms.
If hand numbness and weakness occurs for a long time, you should go to the hospital in time to find out the cause of the disease and carry out targeted treatment under the guidance of the doctor.