Symptoms of myelopathy include numbness, tingling, and weakness. For example, a large herniated disc in the cervical spine could cause cervical myelopathy if it is large enough to push on the spinal cord with resulting symptoms of numbness, tingling, and weakness in the arms and possibly the legs.ymptoms of myelopathy include numbness, tingling, and weakness. For example, a large herniated disc in the cervical spine could cause cervical myelopathy if it is large enough to push on the spinal cord with resulting symptoms of numbness, tingling, and weakness in the arms and possibly the legs.