Current Section
AC Shear Test
AC Shear Test
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Name
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Purpose1
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Description1
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Sensitivity, Specificity
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Validity, Reliability
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Likelihood Ratio +/-
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AC Shear Test
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To test for acromioclavicular pathology
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The patient is in sitting position while the examiner cups his or her hands over the deltoid muscle with one hand on the clavicle and the other on the spine of the scapula. The examiner then squeezes the heels of the hand together. Abnormal movement is a positive test.
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Sensitivity= 412 -1003
Specificity=
922-973
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K=.48(.09-.87)4
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1. Magee DJ. Orthopedic Physical Assessment. 5th ed. St. Louis, MO: Saunders Elsevier; 2008.
2. Chronopoulus E, Kim TK, Park HB, Ashenbrennor D, McFarland EG. Diagnostic value of physical tests for isolated chronic AC lesions. Am J Sports Med. 2004;32(3): 655-661.
3. Gulick D, Ortho Notes. 2nd ed. Philadelphia, PA: F.A. Davis; 2009.
4. Dromerick AW, Kumar AK, Volshteyn O, Edwards DF. Hemiplegic shoulder pain syndrome: interrater reliability diagnosis signs. Arch Phys Med Rehab. 2006; 87(2): 294-295.
