Arm Squeeze Test: Difference between revisions

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Revision as of 22:41, 6 October 2020

Definition[edit | edit source]

Arm Squeeze Test is a clinical test used to distinguish cervical nerve root compression from shoulder disease in case of doubtful diagnosis.[1] Nerve compression syndrome is typically agitated when the middle third of the upper arm is squeezed or compacted.

Clinical Relevant Anatomy[edit | edit source]

The Cervical Nerves are spinal nerves originating from the cervical vetebra. Through the Brachial plexus, these nerves communicate via the cervico-axillary canal in the neck and armpit region. The cervical nerves are responsible for sensation and motor function of muscles, including the nerves that supply muscles in the arm.

These nerves can be compressed by internal and external causes, resulting to a cervical root compression.

For more detailed information on anatomy of the Cervical nerves

Purpose[edit | edit source]

This is a new clinical test that may be useful to distinguish between Cervical radiculopathy from other shoulder related pathology[1]

Technique[edit | edit source]

  • The examiner stands behind the patient
  • Squeezes the middle third of the patient's upper arm with thumb (examiner) on patient's triceps while the rest of the fingers is on the patient's biceps
  • With a moderate compression (5.9 to 8.1kg)

It is positive if the patient reports 3 or higher on VAS with pressure on middle third of upper arm compared with acromioclavicular joint and subacromial area.[1][2]

Evidence[edit | edit source]

Table 1: Shows the diagnostic properties of Arm Squeeze test[1]
Sensitivity Specificity Negative Likelihood ratios Positive Likelihood ratios
0.96 (0.85 - 0.99) 0.96 (0.87 - 0.99) 24 (6.5 - 99) 0.04 (0.01 - 0.17)

Related Tests[edit | edit source]

Reference[edit | edit source]

  1. 1.0 1.1 1.2 1.3 Gumina, S., Carbone, S., Albino, P., Gurzi, M., & Postacchini, F. (2013). Arm Squeeze Test: a new clinical test to distinguish neck from shoulder pain. European Spine Journal, 22(7), 1558–1563. http://doi.org/10.1007/s00586-013-2788-3
  2. Joshua Cleland, Shane Koppenhaver Jonathan Su (2015). Netter's Orthopaedic Clinical Examination, 3rd Edition Pg 122