Sulcus Sign Test - Inferior Glenohumeral Instability To test inferior glenohumeral stability place traction on the humerus with the arm at the patient's side If a gap greater than 1 cm appears between the humoral head and the undersurface of the acromion it is considered a positive sulcus sign with inferior instability. 水田有樹 @PT_yuu_mizu628 #Sulcus #Sign #Test #Inferior #Glenohumeral #Instability #Shoulder #PhysicalExam #clinical #video #sports #msk #orthopedics
