Radial nerve palsy creates an inability to extend the wrist and fingers. A) Wrist drop occurs with radial nerve palsy. B) With use of a wrist extension brace, grip is possible. Source: Wrist and Hand, Brunnstrom's Clinical Kinesiology, 6e Citation: Houglum PA, Bertoti DB. Brunnstrom's Clinical Kinesiology, 6e; 2012 Available at: https://fadavispt.mhmedical.com/DownloadImage.aspx?image=/data/books/2148/brunkine6_ch7_f044-2.png&sec=162871480&BookID=2148&ChapterSecID=162871189&imagename= Accessed: October 08, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved