EE was climbing down from EE's dozer and EE's foot slipped off of the foot rail. EE fell 2-3"" feet to the ground and rolled EE's ankle when EE hit the ground. EE said EE's leg was sore but didn't require immediate medical attention. The next day EE went to the doctor and they said EE strained EE's knee EE was told to ice and wrap EE's knee, but was able to return to full duty