Rent Test
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Contents |
Purpose
To test for the presence of rotator cuff tears
Technique
Patient is seated with examiner standing behind patient. Have patient relax - palpate anterior margin of the acromion through the deltoid - while doing this grasp the patients arm with other hand at the elbow/forearm (patients elbow should be flexed to ~ 90 degrees) and bring into extension. Passively internally and externally rotate patients arm to palpate rotator cuff tendons. Presence of palpable or prominent eminence (Greater tuberosity) and/or rent (defect or 'sulcus')[1] is indicative of full thickness tear. [2][3][4][5]
Evidence
Wolf and Agrawal[2] report Sensitivity and Specificity of 95.7% (.96[4]) and 96.8% (.97[4]) respectively with a positive predictive value of 95.7%, negative predictive value of 96.8% and a diagnostic accuracy of 96.3%. Cleland[4] calculates a +LR of 32.0 and -LR of .04. Lyons and Tomlinson[3] reported Sn of 91% (.91) and Sp of 75% (.75).
Resources
Recent Related Research (from Pubmed)
References
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- ↑ Dutton M. Orthopaedic Examination, Evaluation, and Intervention. New York: The McGraw-Hill Comapinies (2nd Ed.) 2008
- ↑ 2.0 2.1 Wolf EM & Agrawal V. Transdeltoid palpaiton (the rent test) in the diagnosis of rotator cuff tears. J Shoulder Elbow Surg. Sept/Oct 2001;10(5):470-473
- ↑ 3.0 3.1 Lyons AR & Tomlinson JE. Clincial Diagnosis of Tears of the Rotator Cuff. J Bone Joint Surg. May 1991;(74):404-405
- ↑ 4.0 4.1 4.2 4.3 Cleland J. Orthopaedic Clinical Examination: An Evidence Based Approach for Physical Therapists. Philadelphia; Saunders, Elsevier: 2007
- ↑ Clinically Relevant Technologies, http://www.youtube.com/watch?v=YA6oasQWGFA, Accessed May 2011
