Adsons Test




Original Editor ­ Rachael Lowe

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Purpose
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Adson's test is a provocative test for Thoracic Outlet Syndrome accompanied by compression of the Subclavian artery by a cervical rib or tightened anterior and middle scalene muscles.[1]

Technique[2]
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  1. Patient in upright position.
  2. Passively extend, abduct and externally rotate affected arm while palpating the radial pulse.
  3. Ask patient to take a deep breath and hold it in.
  4. Ask patient to extend neck and rotate the head towards affected side.


The test is positive if there is a marked decrease, or disappearance, of the radial pulse. It is important to check the patient's radial pulse on the other arm to recognize the patient's normal pulse.

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[3]

Evidence[edit | edit source]

There is minimal evidence of its interexaminer reliability according to existing literature. It has been noted to have a specificity ranging from 18% to 87%, and sensitivity of up to 94%. There is little documentation regarding the reliability of the adson's test. [4][5][6]



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


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References
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  1. ↑ Brotzman SB, Manske RC. Clinical Orthopaedic Rehabilitation: An Evidence-based Approach. 3rd ed. Philadelphia: Elsevier Health Sciences, 2011
  2. ↑ Borenstein DG, Wiesel SW, Boden SD. Low Back and Neck Pain: Comprehensive Diagnosis and Management. 3rd ed. Philadelphia: Elsevier Health Sciences, 2004.
  3. ↑ Physiotutors. Adson Test | Thoracic Outlet Syndrome (TOS). Available from:https://www.youtube.com/watch?v=-7346RaEGKU&t=5s
  4. ↑ Waldman SD. Pain Management: Expert Consult. 2nd ed. Philadelphia: Elsevier Health Sciences, Jun 9, 2011
  5. ↑ Malanga GA, Landes P, Nadler SF (April 2003). "Provocative tests in cervical spine examination: historical basis and scientific analyses". Pain physician 6 (2): 199–205.
  6. ↑ Malanga GA, Nadler S. Musculoskeletal Physical Examination: An Evidence-based Approach. Philadelphia: Elsevier Health Sciences, 2006
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