EE WAS A PASSENGER ON A MANTRIP TRAVELING TOWARD THE SECTION. 2 PIECES OF DRAW ROCK WEIGHING APPROX. 60 LBS EACH HAD FALLEN ON THE TRACK AND EE BEING THE ONLY PASSENGER ON THE MANTRIP GOT OUT & MOVED THE ROCKS. APPROX. 2 HOURS LATER INTO THE SHIFT HE EXPERIENCED INTENSE PAIN IN THE GROINAREA & WAS TRANSPORTED TO THE HOSPITAL WHERE HE WAS DIAGNOSED WITH A MUSCLE STRAIN. 2 DAYS OFF.