On 8-17-04 employee reported left foot pain. He stated that the only thing he did to possibly hurt it was that on 8-14-04 he attempted to switch lever on railroad track using left foot, he pushed down hard because it was stuck, he didn't feel any discomfort until 8-17. On 8-17-he was diagnosed with a bruise to the bottom of his left foot and was put on restrictions for four days.