INJURED STATED AS HE WAS PULLING ON THE MINER CABLE ON #1 UNIT HE FELT A PULL IN HIS RIGHT LEG BEHIND THE RIGHT KNEE. HE FINISHED THE SHIFT. AFTER WORK HE WENT TO THE DOCTOR. INJURED SAID THAT HE HAD A PULLED MUSCLE. RETURNED TO WORK. WENT TO ANOTHER DOCTOR THE NEXT AFTERNOON. DOCTOR REQUESTED AN MRI. RETURNED TO WORK THE NEXT SHIFT.