Adson’s test

October 30, 2017

A physical exam test used in evaluation of thoracic outlet syndrome at the junction of the brachial plexus and the scalene muscles of the neck. The patient is placed in the sitting position with one arm straight out to the side and extended slightly backwards. The patient then takes a deep breath and turns the head toward the side being tested. A positive test is loss or diminishment of the wrist pulse on the side being tested.