EE LEFT HIS WORKPLACE AT NOON STATING THAT HIS BACK WAS HURTING. NEXT MORNING THE DR. AT ER CALLED OFFICE INFORMING THEM HE HAD COME IN CLAINING BACK INJURY FROM WORK. HE STATED EE HAD UPPER B ACK MUSCLE SPRAIN, BUT HAD NO REASON TO STAY OFF WORK. NO LIFTING OVER 15#. NO TWISTING OR BENDING.