Synkinetic wrist extension in distinguishing cortical hand from radial nerve palsy.

We describe a patient with pseudoradial nerve palsy caused by acute ischaemic stroke ('cortical hand') to emphasise how preserved synkinetic wrist extension following fist closure can distinguish this from peripheral causes of wrist drop. © Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.