Crank Test: Difference between revisions
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{{#ev:youtube|3CLvoC21hTo|250}} <ref>Clinically Relevant Technologies, http://www.youtube.com/watch?v=3CLvoC21hTo[last accessed 22/03/13]</ref> | {{#ev:youtube|3CLvoC21hTo|250}} <ref>Clinically Relevant Technologies, http://www.youtube.com/watch?v=3CLvoC21hTo[last accessed 22/03/13]</ref> | ||
Patient is upright with the arm | Patient is sitting upright with the arm flexed to 90°. Joint load is applied along the axis of the humerus with one hand while the other hand performs humeral rotation. The test can be repeated in supine. A positive test is indicated during the maneuver (usually during external rotation) if there is reproduction of symptoms with or without a click. <ref name="Munro et al" /> | ||
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Revision as of 16:59, 21 November 2020
Original Editor - Stacy S Stone
Top Contributors - Admin, Stacy S Stone, Kehinde Fatola, Rachael Lowe, Scott Buxton, WikiSysop, Kim Jackson, Tony Lowe, Dan Rhon, Laura Ritchie, Evan Thomas, Naomi O'Reilly, Kai A. Sigel and Wanda van Niekerk
Purpose[edit | edit source]
This test also called labral crank test or compression rotation test is used to identify glenoid labral tears and superior labral anterior posterior (SLAP) lesions.
Technique[edit | edit source]
Patient is sitting upright with the arm flexed to 90°. Joint load is applied along the axis of the humerus with one hand while the other hand performs humeral rotation. The test can be repeated in supine. A positive test is indicated during the maneuver (usually during external rotation) if there is reproduction of symptoms with or without a click. [2]
Evidence[edit | edit source]
First author |
Sensitivity (95% CI) |
Specificity (95% CI) |
+LR (95% CI) |
-LR (95% CI) |
Accuracy (%) |
Guanche 2003 | 0.4 | 0.73 | 1.481 | 0.821 | |
Liu 1996 | 0.906 (0.750–0.980) | 0.933 (0.779–0.992) | 13.594 (3.547–52.099) | 0.100 (0.034–0.296) | 91.9 |
Mimori 1999 | 0.833 (0.516–0.979) | 1.000 (0.292–1.000) | 6.462 (0.477–87.549) | 0.220 (0.068–0.711) | 86.6 |
Myers 2005 | 0.346 | 0.7 | Not calculated | Not calculated | 44.4 |
Nakagawa 2005 | 0.58 | 0.72 | Not calculated | Not calculated | 66 |
Parentis 2006 | 0.087 | 0.826 | Not calculated | Not calculated | |
Stetson and Templin 2002 | 0.462 (0.266–0.666) | 0.564 (0.396–0.722) | 1.059 (0.612–1.831) | 0.955 (0.608–1.497) | 33.8 |
Resources[edit | edit source]
- Guanche CA, Jones DC. Clinical testing for tears of the glenoid labrum. Arthroscopy. 2003;19:517-523.
- Liu SH, Henry MH, Nuccion S, Shapiro MS, Dorey F. Diagnosis of glenoid labral tears: a comparison between magnetic resonance imaging and clinical examinations. Am J Sports Med. 1996;24(2):149–154.
References[edit | edit source]
- ↑ Clinically Relevant Technologies, http://www.youtube.com/watch?v=3CLvoC21hTo[last accessed 22/03/13]
- ↑ 2.0 2.1 Munro W, Healy R. The validity and accuracy of clinical tests used to detect labral pathology of the shoulder-a systematic review. Manual Therapy 2009; 14(2):119-30.