Abstract
It has been demonstrated biomechanically that 25% is a critical size defect of the glenoid. However, a recent clinical study reported that a bone loss between 13.5% and 20% led to impairment of quality of life, but not a recurrence of instability (“subcritical bone loss”). The purpose of this study was to clarify the existence of a subcritical zone in assessing an off-track Hill-Sachs lesion using a disease-specific quality of life questionnaire.
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