In the clinic, if the patient appears in the arm area muscle atrophy, muscle strength weakening and so on. Can be taken as early as possible scientific, correct exercise methods for exercise, can make this phenomenon as early as possible to get back. The specific exercise method is to instruct the patient to take a standing position with both upper limbs naturally drooping, and then instruct the patient to flex the elbow joint so that the finger parts as close as possible to the shoulder joint, keep 10-15 seconds and then put down. In doing this exercise can also hold a certain weight of heavy objects, can increase the effect of exercise. In addition, the patient can also be instructed to carry out the bar hanging method. Tell the patient to hold the bar with both hands and then do a body pull-up for 5-6 seconds and then return to the position. During all the exercises the patient should exert force slowly and not use violence to avoid aggravating the local injury.