Resisted AC Joint Extension Test

Original Editor - Evan Thomas

Lead Editors - Evan Thomas, Kim Jackson, Rachael Lowe, Kai A. Sigel, WikiSysop, Wanda van Niekerk, Manisha Shrestha, 127.0.0.1 and Naomi O'Reilly

Purpose[edit | edit source]

Resisted AC Joint Extension Test (or the AC Resisted Extension Test) is used to help identify an acromioclavicular joint pathology in both traumatic and non-traumatic/chronic overuse cases,[1] and can be useful in helping differentiate between AC joint and impingement syndromes.[2]

Technique[3][edit | edit source]

  1. The patient is seated with the therapist standing behind him/her
  2. The patient's shoulder is positioned into 90 flexion and internal rotation, with the placed into 90 flexion
  3. The therapist places his/her hand on the patient's elbow and asks him/her to horizontally abduct the arm against isometric resistance
  4. A positive test is pain at the AC joint

[4]

Evidence[edit | edit source]

Provide the evidence for this technique here

Resources[edit | edit source]

add any relevant resources here

Recent Related Research (from Pubmed)[edit | edit source]

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References[edit | edit source]

  1. ↑ Miller MD & Thompson SR. DeLee & Drez's Orthopaedic Sports Medicine (4th Ed). Philadelphia, PA: Elsevier.
  2. ↑ Frontera WR, Silver JK, Rizzo TD (Jr). Essentials of Physical Medicine and Rehabilitation (3rd Ed). Philadelphia, PA: Elsevier.
  3. ↑ Cook CE & Hegedus EJ. Orthopedic Physical Examination Tests: An Evidence-Based Approach (2nd Ed). Boston, MA: Pearson.
  4. ↑ Resisted AC Joint Extension Test from https://www.youtube.com/watch?v=YHdZQnV0KhU. Last accessed April 1, 2016.


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