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A Modification of the Active Compression Test for the Shoulder Biceps-Labrum Complex.
Ekaterina Urch1, Samuel A Taylor2, Helen Zitkovsky2
1Kerlan-Jobe Orthopaedic Clinic, Los Angeles, California, U.S.A.
Arthroscopy Techniques
|July 15, 2017
Summary
The O'Brien Sign aids in diagnosing biceps-labrum tears but suffers from poor reliability. A simple modification can improve accuracy and consistency in this common orthopedic test.
Area of Science:
- Orthopedic Surgery
- Diagnostic Imaging
- Musculoskeletal Disorders
Background:
- The O'Brien Sign is a common clinical test for biceps-labrum complex injuries.
- Concerns exist regarding the interobserver reliability of the O'Brien Sign in clinical practice.
- Inconsistent test execution due to patient and physician factors may contribute to reliability issues.
Purpose of the Study:
- To introduce a modification to the O'Brien Sign.
- To address and mitigate errors in the O'Brien Sign maneuver.
- To enhance the uniformity and reliability of the O'Brien Sign.
Main Methods:
- A technical note describing a modified O'Brien Sign procedure.
- Focus on practical adjustments to the examination technique.
- Emphasis on reducing patient and physician-related errors.
Main Results:
- The proposed modification aims to standardize the O'Brien Sign.
- Improved consistency in performing the diagnostic maneuver is expected.
- The modification is designed to limit common sources of error.
Conclusions:
- A simple modification can improve the O'Brien Sign's reliability.
- Standardizing the O'Brien Sign can enhance diagnostic accuracy for biceps-labrum injuries.
- This technique offers a practical solution to improve clinical examination consistency.

