The shoulder pain of back training is generally a normal phenomenon. Practice back is mainly on the shoulder and back muscle exercise, can relieve shoulder and back pain and enhance muscle strength to improve posture, practice back shoulder pain may be related to exercise caused by the accumulation of lactic acid in the muscle, the general degree of pain is light, through local massage, appropriate rest can be relieved by itself, is a normal physiological phenomenon. If you practice behind the back of the pain is more intense, consider the occurrence of the back of the shoulder muscle strain, ligament tear, or shoulder pain symptoms after resting continued not to relieve, shoulder pain at this time is an abnormal situation, the need for timely targeted treatment. When practicing behind the shoulder pain, it is recommended to consult a doctor in time to clarify the degree of injury, and under the guidance of the doctor to carry out regular treatment.