Arm pain after overexertion: 1, must be rest-oriented, avoid more activities, cause arm pain movements as little as possible, so that the arm muscles or tendons can be repaired in a quiet environment. 2, you can do local hot compresses, which are carried out 24 hours after the injury, early can do cold compresses, hot compresses can be applied to hot towels or warm water bags, each compress 20-30 minutes, a day Can be applied twice a day, you can also do local massage, massage, but pay attention to the technique is not too heavy, to gentle techniques can be the main, can also be applied externally to relieve swelling and pain, blood circulation ointment are very helpful. If you have time and conditions, you can also go to the hospital to do physical therapy, such as microwave therapy, ultra-short wave therapy, infrared therapy, medium-frequency pulse therapy, etc. These treatments can promote local blood circulation, accelerate tissue repair, thereby speeding up the relief of pain symptoms.