Randall Transit Mix Company · Sobreesfuerzo al levantar objetos
EMPLOYEE WAS OPERATING "GRIZZLY" ROCK SCREENER. ONE LARGE ROCK ROLLED ONTO DRIVING AREA. EMPLOYEE DECIDED THE ROCK WAS NOT TOO HEAVY TO BE LIFTED. HE LIFTED THE PROPER WAY, USING HIS LEGS, BUT HE FELT A SUDDEN STRAIN ON HIS BACK.