1. Instability Severity Index Score
Factor
Points
Age at surgery
< 20 2
> 20 0
Type of sport
Competitive 2
Recreational 0
Contact 1
Other 0
Hyperlaxity
Hyperlaxity 1
Normal 0
Hill Sachs on xray
Visible on ER 2
Not visible 0
Glenoid contour on AP xray
Loss 2
No Lesion 0

2. Bipolar lesions

3. Surgery Arthroscopic labral repair < 10% glenoid loss Latarjet
Large hill sachs
Scope + Remplissage
Normal glenoid
Moderate size Hill Sachs

4. Remplissage

5. Anterior instability / No Labral tear
Capsular laxity Capsular tear HAGL Posterior Instability

6. Capsular tear

7. Capsular tear

8. HAGL

9. HAGL