ArticleJSES international2025
The clinical impact of glenoid concavity and version on anterior shoulder stability.
Article in JSES international, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Labral morphology does not compensate for reduced bony glenoid concavity in stable shoulders.JSES international · 2026Article
- Glenoid version and recurrent anterior shoulder dislocation: a case-control study.BMC musculoskeletal disorders · 2026Article
- Magnetic resonance imaging offers advantages over computer tomography for measurement of the shoulder stability ratio.Journal of experimental orthopaedics · 2025Article
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Authors and funding
8 authors.
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Abstract
Background: In recent biomechanical studies, the importance of glenoid concavity and version for anterior shoulder stability has been highlighted. With this study, we aimed to assess their clinical relevance as stabilizing factors. We hypothesized that low glenoid concavity and low retroversion are associated with anterior glenohumeral instability. Methods: In this single-center, retrospective case-control study, computed tomography scans of n = 34 patients following acute anteroinferior glenohumeral dislocation between 2015 and 2021 were included. Patients with glenoid fractures and pre-existing glenohumeral pathologies were excluded. In the control group, n = 68 polytrauma patients referred to our level-I-trauma center were included, who showed neither acute nor chronic glenohumeral pathologies. Both groups were matched age- and gender-specifically in a 2:1 ratio. Glenoid concavity was measured according to the bony shoulder stability ratio (BSSR) in anterior-posterior (AP) and superior-inferior (SI) direction. Version was measured by the glenoid vault method. Results: The instability cohort presented with a lower BSSR (SI) compared to the control group (49.8% vs. 56.9%, Conclusion: Glenoid concavity is a relevant factor for anterior shoulder stability in the clinical setting. In contrast to recent biomechanical studies, glenoid version appears to have only limited clinical impact on anterior stability. Regarding the individual treatment of anterior glenohumeral instability, glenoid concavity should be focused on as an essential bony stabilizing factor.
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