EE STATED HE WAS SETTING IN A CROSS CUT WITH FELLOW EE WHEN SUPERVISOR CAME THROUGH THE DOOR. THE SUPERVISORE INFORMED THEM TO GO UNLOAD BELT STRUCTURE FROM SCOOP. HE STATED LET'S GO BOYS AND REACHED OVER & JERKED ON OTHER EE'S SUSPENDERS BUT FAILED TO PULLN HIM UP. HE THEN GRABBED INJ EE AND JERKED HIM UP CAUSING PAIN TO RIGHT ARM