Effect of bone loss in anterior shoulder instability

Figure 3 Through a posterior portal a 3 mm calibrate probe is inserted and the distance from the center of the bare spot to the posterior glenoid rim is measured. Following the distance from the bare sport to the anterior glenoid rim is measured. These values are used to preform the final glenoid deficit calculation. Adapted with permission from Arthroscopy 2004; 20: 169-174.