After playing the ball back pain may be too much exercise muscle strain and other muscle soreness, bed rest, applying plasters such as flurbiprofen and other relief symptoms. 1. Acute muscle soreness: If the pain occurs during or within a short time after exercise, it is acute muscle soreness. It is due to the interruption of blood flow caused by muscle exertion, so that the metabolites can not be removed, the accumulation of pain receptors in the muscles to stimulate the pain caused by the pain, can be recovered in about a minute after the cessation of exercise. 2. Chronic muscle soreness: playing a large amount of sports, can be one to two days after the movement of lumbar muscle soreness, is due to less use of the muscles suddenly intense activities caused by muscle injuries, connective tissue abnormalities and so on. Symptoms can be relieved by bed rest or applying creams such as flurbiprofen. This medication may cause skin rashes and is contraindicated in people who are allergic to this medication and aspirin. The pain can be recovered within a week or so after adequate rest. If the pain is more pronounced or cannot be relieved, please go to the hospital for examination and treatment, and consult your physician in advance if you need to use medication.