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Updated: Jul 2, 2026

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography
Published on: March 12, 2021
Bony instability of the shoulder
Brandon D Bushnell1, R Alexander Creighton, Marion M Herring
1Steadman-Hawkins Clinic, Denver, Colorado, USA. bbushnell@shcdenver.com
Shoulder instability often involves soft-tissue injury, but bony pathology like Bankart or Hill-Sachs lesions can cause recurrent problems. Recognizing and treating these bony lesions is crucial for successful shoulder instability management.
Area of Science:
- Orthopaedics
- Sports Medicine
- Surgical Innovation
Background:
- Shoulder instability is a common orthopaedic condition.
- It can stem from ligamentous laxity or traumatic injury to the glenohumeral joint.
- While soft-tissue repairs are often successful, bony pathology presents unique challenges.
Purpose of the Study:
- To review recent advancements in diagnosing and treating shoulder instability.
- To highlight the significance of bony pathology in treatment failures.
- To differentiate management strategies for soft-tissue versus bony lesions.
Main Methods:
- Literature review focusing on recent developments in shoulder instability.
- Analysis of studies comparing open and arthroscopic techniques.
- Emphasis on diagnostic challenges and treatment outcomes for bony lesions.
Main Results:
- Arthroscopic soft-tissue repair outcomes are comparable to open techniques.
- Unrecognized bony lesions (Bankart, Hill-Sachs) are a major cause of failed reconstructions.
- Smaller bony lesions may be treated arthroscopically; larger ones often require open surgery.
Conclusions:
- Bony pathology is a critical, though less common, cause of shoulder instability.
- Accurate diagnosis of bony lesions is essential for effective treatment.
- Treatment choice (arthroscopic vs. open) depends on the size and nature of the bony defect.
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