The elbow flex-ex: a new sign to detect unilateral upper extremity non-organic paresis.


OBJECTIVE To examine a new neurological sign that uses synergistic oppositional movements of the arms to evaluate for non-organic upper extremity weakness. METHODS Patients with unilateral arm weakness were tested in a standing or sitting position with the elbows flexed at 30°. The examiner held both forearms near the wrists while asking the patient to… (More)
DOI: 10.1136/jnnp-2012-304314

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