Arm shivering may be caused by physiological reasons such as overwork, or pathological reasons such as bone and joint diseases, neurological diseases, electrolyte disorders and so on. 1. Excessive exertion: Due to excessive contraction and strain of arm muscles caused by excessive exertion, the patient’s arm may spasm and shiver when exerting force, and other symptoms. 2. Bone and joint diseases: such as cervical intervertebral disc herniation compressing the nerve root innervating the upper limb, shoulder joint disease leading to upper limb pain, numbness, weakness, etc., the patient may have the symptom of shaking when exerting force on the arm. 3 neurological diseases: cerebral infarction, cerebral hemorrhage, Parkinson’s disease, myasthenia gravis and other diseases, the patient can not inhibit muscle tone, which will appear in the arm will shake. 4. Electrolyte disorders: such as hypokalemia, hyponatremia and other electrolyte disorders, which can cause muscle contraction disorders and thus produce shivering symptoms. If the arm shaking does not relieve, or accompanied by other symptoms, you should go to the hospital in time, and give targeted treatment after clarifying the cause.