Clinicians developed the Jerk Test as a practical tool for diagnosing shoulder instability, specifically posteroinferior glenohumeral instability.
Jerk Test
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Jerk Test Template
Commonly asked questions
The Jerk Test measures the stability of the glenohumeral joint, specifically detecting posterior labral tears or other causes of posteroinferior instability.
Research supports the Jerk Test as a reliable and valid tool for detecting posterior instability of the glenohumeral joint. Its sensitivity and specificity in identifying posterior labral tears make it valuable for shoulder instability assessment.
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