ArticleMuscles (Basel, Switzerland)2025
Annular Ligament Instability in Lateral Elbow Pathology: Objective Confirmation Through a Cadaveric Study.
Article in Muscles (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Recent Advances in Sensor-Based Upper-Limb and Hand Exoskeletons for Post-Stroke Rehabilitation: A Technical and Biomedical Review.Sensors (Basel, Switzerland) · 2026Review
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12 authors.
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Abstract
backgroundThe annular ligament is a key secondary stabilizer of the elbow, but its biomechanical behavior during forearm rotation has not been objectively quantified. This study aimed to assess interindividual variability in annular ligament tension, validate prior arthroscopic observations, and explore associations with chondral lesions in the lateral elbow compartment.
methodsIn this cross-sectional anatomical study, 25 cadaveric upper limbs were analyzed following standardized dissection, preserving ligamentous and muscular integrity. Ligament displacement was measured using a custom mechanical apparatus and high-precision digital micrometer in neutral, 60° pronation, and 60° supination positions under axial tractions of 1, 2, and 3 kg. Ulnar length and presence of chondral lesions were also recorded.
resultsMaximal ligament displacement occurred in supination in 80% of specimens (mean: 1.23 mm at 3 kg; range: 0.30-2.87 mm), indicating considerable interindividual variation. Significant displacement differences were observed between all forearm positions across load levels (
conclusionsThis study provides the first objective evidence of annular ligament tension variability during forearm rotation. Ligament laxity may contribute to lateral elbow instability and cartilage degeneration, supporting the ligament's role as a secondary stabilizer.
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