Table 5.

Rosenberg classification

Stage	Description
Normal	No reduction of joint space, no osteophytes, no sclerosis.
Mild	Reduction of joint space 1 mm, mild sclerosis.
Moderate	Reduction of joint space 2 mm, moderate presence of osteophytes, moderate sclerosis.
Severe	Bone on bone joint space narrowing, many and large osteophytes, severe sclerosis and presence of cysts.

Rosenberg classification (Table 5): this classification was originally designed to grade degenerative changes in patients affected by GH osteoarthritis who underwent Bankart reconstruction for recurrent anterior instability.