THE NEUTRAL ZERO METHOD - A PRINCIPLE OF MEASURING JOINT FUNCTION

The material presented in this article was considered well-suited to p roduction as an electronic publication utilizing the advantages of inf ormation technology, including animation, colour photography, and oppo rtunities for the user to participate in an interactive learning proce ss as well as having an excellent reference at his fingertips. The tex t is based on an AO Bulletin published in 1971 by H.U. Debrunner. The principal tests of joint mobility are illustrated and explained in det ail. The illustrations presented here are only the most essential, mor e than 200 further figures, video clips, photos and animations are ava ilable on the CD-ROM (text in English, German and French) which can be ordered using the form at the end of the supplement. The outcome is a novel multimedia publication containing material of special interest to the traumatologist and associated disciplines. Though it certainly cannot replace the classical textbooks, it nevertheless provides a val uable supplement and aid to understanding.