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Resisted AC Joint Extension Test

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Other Names

  • AC Resisted Extension Test
  • Resisted Arm Extension Test
  • Acromioclavicular resisted-extension test

Purpose

Demonstration of the AC Joint Extension Test[1]

Description

  • The patient is seated, examiner behind patient
  • Shoulder flexed to 90°, internally rotated, elbow flexed to 90°
  • The examiner then places hand on lateral elbow and asks patient to abduct against resistance
  • Positive Test
    • Pain at the AC joint

Pathology

Evidence

  • Acromioclavicular Joint Etiology
    • Sensitivity: 72%[2]
    • Specificity: 85%
    • PPV: 20%
    • NPV: 98%

See Also

References

  1. ↑ Image courtesy of youtube.com, "AC Resisted Extension Test"
  2. ↑ Chronopoulos E1, Kim TK, Park HB, Ashenbrenner D, McFarland EG. Diagnostic value of physical tests for isolated chronic acromioclavicular lesions. Am J Sports Med, 2004; 32(3): 655-61.
Created by:
John Kiel on 8 August 2019 23:51:23
Authors:
Last edited:
25 April 2023 17:39:20
Category:

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