"Acromiohumeral interval is a useful and reliable measurement on AP shoulder radiographs and when narrowed is indicative of subacromial impingement, rotator cuff tear and/or tendinopathy. In patients with rotator cuff repair, a narrow acromiohumeral interval is a risk factor for re-tear 7."
"true AP shoulder radiograph"
Expected headings
"Plain radiograph"
"MRI"
">12 mm: shoulder dislocation; inferior subluxation (e.g. from joint effusion)"
">12 mm: shoulder dislocation; inferior subluxation (e.g. from joint effusion)"