Stretching will be painful to consider muscle tension or tension is too large to produce physiological pain, there may be muscle strain.
1. If you do not exercise for a long time will cause muscle, tendon, ligament tension, when the first stretching local stimulation by pulling will appear pain, generally physiological pain, this pain will gradually reduce with training. Gradual exercise, gradually can be relieved, do not violent stretching.
2. If the persistent pain after stretching, consider the method of stretching is not right or too violent to cause muscle strain, localized swelling, pressure pain, need to take ice, reduce activities, pay more attention to rest.
If the stretching process is slight pain is a normal phenomenon, if the pain persists need to go to the hospital for further examination.