EMPLOYEE, GETTING ON FORKLIFT, TRIPPED ON SHOELACES THAT WERE UNTIED. FELL ON RECENTLY INJURED/OPERATED-ON SHOULDER THAT WAS PREVIOUSLY DISLOCATED DUE TO SOFTBALL INJURY AND REINJURED. LOST TI ME AT HOME WITH ARM IN SLING FOR APPROX. 1 WEEK. POSSIBLE LIGHT DUTY TO FOLLOW.