GARDNER WAS CLIMBING THE STEPS TO GO INTO THE CAB OF THE D9R DOZER THAT HE WAS GOING TO OPERATE.WHILE DOING THIS HE SLIPPED WHICH CAUSED A LOT OF HIS BODY WEIGHT TO BE SHIFTED BY HIS RIGHT AR M. THIS RESULTED INTO A STRAIN TO HIS RIGHT ELBOW. THIS HAS NOW BEEN DIAGNOSED AS A MUSCLE TEAR AND HE RECENTLY BEGAN TO MISS WORK DUE TO THIS PROBLEM.