A wrist drop is the characteristic deformity of a radial nerve lesion.
In order to demonstrate this phenomenon, if not already obvious, direct the patient to flex the elbow and pronate the forearm and ask him to extend the wrist. In a radial nerve injury causing wrist drop a patient will not be able undertake this manoeuvre.
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.