Left hand weak, right hand normal.

This condition belongs to unilateral limb numbness and weakness. To consider whether it is because of spinal cord disease, you need to check the MRI of the cervical spine. Especially if there are some basic diseases of cervical spondylosis. Because of long-term bow work to see the phone, and then before may show some right hand numbness pain. This situation should pay attention to whether it is a problem of cervical spondylosis, if not cervical spondylosis, to consider some problems of the spinal cord. There may be some infectious factors or congenital spinal stenosis and the like. If this situation is mainly done some acupuncture massage rehabilitation treatment. But more serious spinal cord injury or spinal stenosis, massage treatment can not be done. Surgery may be needed.