Employee stated walking back & forth on the Bintender floor over crossover felt something pull in left knee while descending down steps. EE said she would wait & speak with EH&S. 6/25/09, on 6/25 at noon EE said it was sore but not as bad as it had been the night before. She did feel some binding and shooting pains. EE iced & elevated the knee, stated that swelling had gone down.