Jerk test: Difference between revisions
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== Purpose == | == Purpose == | ||
test used to detect posteroinferior instability of the | This test is used to detect posteroinferior instability of the Glenohumeral joint. | ||
== Technique == | == Technique == | ||
Revision as of 15:19, 29 March 2015
Original Editor - Derek Little
Top Contributors - Admin, Clinically Relevant, Scott Buxton, Fasuba Ayobami, Wanda van Niekerk, Chelsea Mclene, 127.0.0.1, Tony Lowe, Derek Little, Evan Thomas, Kai A. Sigel, WikiSysop, Kim Jackson and Claire Knott
Purpose[edit | edit source]
This test is used to detect posteroinferior instability of the Glenohumeral joint.
Technique[edit | edit source]
While stabilizing the patient’s scapula with one hand and holding the affected arm at 90° abduction and internal rotation, the examiner grasps the elbow and axially loads the humerus in a proximal direction.The arm is moved horizontally across the body. A positive result is indicated by a sudden clunk as the humeral head slides off the back of the glenoid. When the arm is returned to the original position, a second jerk may be observed, that of the humeral head returning to the glenoid.[1]
Evidence
[edit | edit source]
A systematic review of the validity and accuracy of clinical tests used to detect labral pathology of the shoulder showed the +LR of the Jerk Test to be LR 34.71 and the -LR to be 0.27[2]
Recent Related Research (from Pubmed)[edit | edit source]
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References[edit | edit source]
References will automatically be added here, see adding references tutorial.
- ↑ Kim et al. Painful Jerk Test: A Predictor of Success in Nonoperative Treatment of Posteroinferior Instability of the Shoulder. Am J Sports Med 2004 32: 1849
- ↑ Munro et al. The validity and accuracy of clinical tests used to detect labral pathology of the shoulder--a systematic review. Man Ther. 2009 Apr;14(2):119-30
