Table 1.
Status of the acromiohumeral space, glenohumeral joint, rotator cuff, and long head of the biceps according to grade in Hamada classification [3]
| Grade | Acromiohumeral space | Glenohumeral joint | Rotator cuff/LHB tear |
|---|---|---|---|
| 1 | AHI > 6 mm | Normal | Massive with LHB intact |
| 2 | AHI < 5 mm | Normal | Massive with LHB tear |
| 3 | Acetabulization | Normal | Massive with LHB tear |
| 4 | Acetabulization | Narrowed | Massive with LHB tear |
| 5 | Acetabulization | Humeral head collapse | Massive with LHB tear |
AHI = acromiohumeral interval; LHB = long head of the biceps.