Abstract
1. The population incidence of bilateral loose shoulder was 4.0 percent in 14, 658 person. The most important factor of loose shoulder depends upon deficiency of the force of scapula to rotate upward, when the arm is elevated sideways.
2. If the person with bilateral loose shoulder one experience of dislocation shoulder, recurrent dislocation of the shoulder develop more easily.
3. No single treatment is always successful in treatment recurrent dislocation of loose shoulder.
At the treatment we must inspect, whether the movement of scapula is lacking or not.
