What is the damage of motor neurons? How to recover?

Motor neuron damage diseases can be divided into upper neurons and lower neurons, and the specific symptoms need to be diagnosed through relevant examinations. According to electromyography, it is a lower neuron disease, mostly weakness of limbs. If it is an upper nerve injury, it will not show changes in muscle strength, and more will not lead to exercise. We should actively go to the hospital for examination, make clear the cause and treat the symptoms.