ReviewJSES reviews, reports, and techniques2025
Preosteoarthritic static posterior humeral subluxation in young adults (posterior shoulder instability type C1): associative factors, diagnosis, and treatment.
Review in JSES reviews, reports, and techniques, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- [Static posterior humeral subluxation without osteoarthritis (posterior shoulder instability type C1) : Where does it come from and is there a solution?]Orthopadie (Heidelberg, Germany) · 2026Review
- Acromial Osteotomy for Dynamic Posterior Shoulder Instability.Arthroscopy techniques · 2026Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Type C1 posterior shoulder instability represents a preosteoarthritic condition characterized by chronic, static posterior subluxation of the humeral head. Its multifactorial etiology encompasses increased glenoid retroversion, altered posterior acromial morphology, reduced humeral retrotorsion, abnormal scapulothoracic alignment, and muscular imbalances. The diagnosis relies on a comprehensive clinical history, targeted physical examination, and advanced imaging modalities that accurately detect posterior humeral head decentering, glenoid rim deficiencies, reduced posterior acromial coverage, and labral hypertrophy. Although treatment strategies range from conservative management to various surgical interventions, there has been no introduction of a procedure that reliably recenters the humeral head and halt the progression of osteoarthritis. This review aims to provide guidance in the accurate identification of C1 posterior shoulder instability by outlining its diagnostic criteria and discussing current treatment strategies.
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Registered trials
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