Ergonomic factors contributing to back injury. Third in a series

The last two articles in this series pointed out that back injuries do not occur overnight unless acute trauma occurs. Rather, they are the result of cumulative trauma--they develop gradually over a period of time. Even though back injuries appear to be related to a single event (i.e., "While lifting the patient up I felt my back pop."), they are actually related to repeated events that predispose a person's body to the final breakdown event.