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Internal rotation resistance strength test : A new diagnostic test to differentiate intra-articular pathology from outlet (Neer) impingement syndrome in the shoulder
ZASLAV KR
J SHOULDER ELBOW SURG , 2001, vol. 10, n° 1, p. 23-27 Doc n°: 99803 Localisation : Documentation IRR Descripteurs : DD32 - EXPLORATION EXAMENS BILANS - EPAULE This prospective study introduces a new sign to differentiate between outlet impingement and non-outlet (intra-articular) causes of shoulder pain in patients with positive impingement sign: the internal rotation resistance strength test (IRRST). It was hypothesized that positive test results are predictive of non-outlet impingement, whereas negative test results confirm outlet impingement. A prospective comparison between IRRST and arthroscopic findings of 115 consecutive patients showed the test to be highly accurate in differentiating between these two diagnoses (positive predictive value 88%, negative predictive value 96%, sensitivity 88%, specificity 96%, and accuracy 94.5%). The IRRST, in conjunction with impingement and apprehension signs, adds to our armamentarium of tests that distinguish between subacromial outlet impingement and intra-articular forms of pathology. Langue : ANGLAIS Tiré à part : OUI Identifiant basis : 2001215743 |
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