Wright's test for thoracic outlet syndrome (TOS) The Wright’s test is designed to decrease the retropectoralis minor space in the first step, while the second part of the test implicates the costoclavicular interval. Unclear descriptions in the performance of the Wright’s test in the study of Gillard et al. in 2001 prohibit any statement about the accuracy of this test. For this reason, the clinical value in practice is questionable. A positive result is a decrease in the radial pulse and/or rep

ADSON TEST FOR THORACIC OUTLET SYNDROME (TOS) - SCALENE TRIANGLE The Adson test seems to be the most accurate test for TOS with a sensitivity of 79% and a specificity of 79% according to a review done by Gillet et al. (2001): This test asseses the posterior scalene post, where the brachial plexus and subclavian artery are passing through. Often patients with COPD or with an impairment of the diaphragm are using the scalenes more than usual to assist with breathing.This can lead to scalene hypert