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 The accuracy of "subacromial grind test" in diagnosis of supraspinatus rotator cuff tears

Seif Sawalha1, Jochen Fischer2
1 Specialist Trainee (ST6) Trauma and Orthopaedics, Mersey Deanery, Liverpool, Macclesfield, United Kingdom
2 Macclesfield District General Hospital, Department of Orthopaedics, Macclesfield, United Kingdom

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Seif Sawalha
Flat 158, Waterloo Warehouse, Liverpool, L3 0BH
United Kingdom
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Source of Support: None, Conflict of Interest: None


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DOI: 10.4103/0973-6042.154756

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Year : 2015  |  Volume : 9  |  Issue : 2  |  Page : 43-46

 
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Purpose: The aim of this study is to assess the accuracy of a simple clinical test (subacromial grind test) in diagnosing supraspinatus tendon tears. Patients and Methods: The test is considered positive if palpable crepitus or grinding is detected on passive internal and external rotation of the shoulder while abducted in the scapular plane. Data were collected prospectively on 47 patients undergoing shoulder arthroscopy, and the results of the test and arthroscopy compared. Results: During arthroscopy, 17 patients had full thickness (FT) tears of supraspinatus tendon and 10 had partial thickness tears. For any supraspinatus tear, the sensitivity of the test was 63%, specificity 95%, positive predictive value 94%, negative predictive value 66% and overall accuracy 79%. For FT tears, the sensitivity was 82%, specificity 87%, positive predictive value 78%, negative predictive value 90% and overall accuracy 85%. Conclusion: We found that this is a useful single test for diagnosing FT supraspinatus tears. Level of Evidence: Level IV diagnostic study.






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© 2006 - International Journal of Shoulder Surgery
| Published by Wolters Kluwer - Medknow Online since 1st September '06

 

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Seif Sawalha1, Jochen Fischer2
1 Specialist Trainee (ST6) Trauma and Orthopaedics, Mersey Deanery, Liverpool, Macclesfield, United Kingdom
2 Macclesfield District General Hospital, Department of Orthopaedics, Macclesfield, United Kingdom

Correspondence Address:
Seif Sawalha
Flat 158, Waterloo Warehouse, Liverpool, L3 0BH
United Kingdom
Login to access the Email id

Source of Support: None, Conflict of Interest: None


Read associated with this article

DOI: 10.4103/0973-6042.154756

Rights and Permissions

Purpose: The aim of this study is to assess the accuracy of a simple clinical test (subacromial grind test) in diagnosing supraspinatus tendon tears. Patients and Methods: The test is considered positive if palpable crepitus or grinding is detected on passive internal and external rotation of the shoulder while abducted in the scapular plane. Data were collected prospectively on 47 patients undergoing shoulder arthroscopy, and the results of the test and arthroscopy compared. Results: During arthroscopy, 17 patients had full thickness (FT) tears of supraspinatus tendon and 10 had partial thickness tears. For any supraspinatus tear, the sensitivity of the test was 63%, specificity 95%, positive predictive value 94%, negative predictive value 66% and overall accuracy 79%. For FT tears, the sensitivity was 82%, specificity 87%, positive predictive value 78%, negative predictive value 90% and overall accuracy 85%. Conclusion: We found that this is a useful single test for diagnosing FT supraspinatus tears. Level of Evidence: Level IV diagnostic study.






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Sitemap | What's New | Copyright and Disclaimer
© 2006 - International Journal of Shoulder Surgery
| Published by Wolters Kluwer - Medknow Online since 1st September '06