Figure 1
From: Risk factors of radiographic severity of massive rotator cuff tear
Radiographic images showing different grades of the Hamada classification of massive rotator cuff tears. (A) Grade 1 is characterized by a maintained acromiohumeral interval. (B) Grade 2 shows narrowing of the acromiohumeral interval. (C) Grade 3 shows subacromial acetabulization in addition to grade 2 features. (D) Grade 4 shows narrowing of the glenohumeral joint in addition to grade 3 features. (E) Grade 5 indicates humeral head collapse.
