INJURED WAS THROWING THE TRACK SWITCH LOCATED AT THE SPUR ONE CROSSCUT IN BY #10 BELT LINE. IT WOULDN'T COMPLETELY LATCH SO HE USED HIS LEFT FOOT TO PUSH IT ON DOWN. THE SWITCH CAME BACK SUDDE NLY AND STRUCK HIS LEFT ANKLE RESULTING IN CONTUSION, WENT TO HOSPITAL, X-RAYS NEGATIVE.