Thoracic outlet syndrome (TOS): provocative tests
Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .
Thoracic outlet syndrome (TOS): provocative tests. This is the elevated arm stress test (EAST). Fully referenced neurology checklist.
Roos test
- This is the elevated arm stress test (EAST)
- The subject repetitively clenches and unclenches the hand for 3 minutes
- It is performed with the shoulders in 90° abduction and with the elbows flexed at 90°
- This provokes symptoms
Elvey’s test
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Morley’s sign
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Vascular tests
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Other provocative tests
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Synonym
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References
- Laulan J, Fouquet B, Rodaix C, Jauffret P, Roquelaure Y, Descatha A. Thoracic outlet syndrome: definition, aetiological factors, diagnosis, management and occupational impact. J Occup Rehabil 2011; 21:366-373.
- Hixson KM, Horris HB, McLeod TCV, Bacon CEW. The diagnostic accuracy of clinical diagnostic tests for thoracic outlet syndrome. J Sport Rehabil 2017; 26:459-465.
- Tender GC, Thomas AJ, Thomas N, Kline DG. Gilliatt-Sumner hand revisited: a 25-year experience. Neurosurgery 2004; 55:883-890.
