If you are interested in seeing a simulation video that shows the dangerous levels of stress on a persons spine while a test subject is wearing sensing equipment while practicing lifting a “patient” from a bed. This link is for you. http://www.npr.org/2015/02/11/383564180/even-proper-technique-exposes-nurses-spines-to-dangerous-forces
Safe Patient Handling Equipment should be required in all hospital systems. The need to provide proper equipment & training to safe guard nurses and medical staff from injury is key!