For anyone who has worked with children with severe behavioral issues, you know firsthand that it can be quite a challenge to find techniques that keep everyone safe while simultaneously providing the child with important skills and tools to better manage his behavior in the future. But such strategies and techniques do exist; furthermore, there are exceptional trainings available.
Below is a link to an ABC News report that demonstrates the prospective complications with using restraints and other potentially dangerous techniques on children, some of which have resulted in major injury and even death. There are better ways. I have had the privilege of being trained by Neuropsychiatrist Dr. Bruce Perry on alternatives to restraint. Dr. Perry has an informative website about working with children with emotional and behavioral issues (http://www.childtrauma.org/) in a very humane way.
Here is the ABC News link: