<prompt> Luxato erecta is another name for -Inferior shoulder dislocationAnterior shoulder dislocationPosterior shoulder dislocationSuperior shoulder dislocation  <response>: Ans. is a i.e., Inferior shoulder dislocation Inferior dislocation Luxation Erecta Here the head of the humerus is below the glenoid cavity and the humeral shaft is pointing overhead. It is due to hyperabduction injury. It is rare and also called luxatio erecta because the humeral head is subluxated dislocated inferiorly and humerus shaft points upwards erected. The starting picture of a patient with hisher arm locked in almost full abduction!elevation, should make diagnosis quite easy. The patient comes with his arm fixed almost by the side of his head. Potentially serious consequences e.g., neurovascular damage is quite common. It is reduced by pulling upwards in the line of abducted arm with countertraction downwards. Tests for Inferior shoulder instability Sulcus sign- The patient stands with the arm by the side and shoulder muscles relaxed. The examiner grasps the patients forearm below the elbow and pulls the arm distally. A positive test suggesting inferior instability of the shoulder is indicated if the patients pain is reproduced andor a sulcus appears distal to the acromian. 