HUMERUS AND SHOULDER

• AC DISLOCATION

  RA: widening of AC joint space
• BANKART LESION

  RA: Small avulsion fx of the anteroinferior aspect of the glenoid rim
• HILL-SACHS DEFECT

  RA: Compression fx of the articular surface of the posterolateral aspect of the humeral head
• IDIOPATHIC CHRONIC ADHESIVE CAPSULITIS

  RA: possible calcification or other joint space

  abnormalities
• ROTATOR CUFF INJURY

  RA: partial or complete tear in musculature
• SHOULDER DISLOCATION

  RA: separation between humeral head and glenoid cavity