THE EE WAS PICKING UP SOME SQUARE TUBING THAT WAS LEANING ON THE RIB IN AN UPRIGHT POSITION. HE POSITIONED THE TUBING TO PUT IT ON THE TRACTOR. WHEN HE TURNED TO LAY THE TUBING IN THE TRACTOR, HE FELT A POP IN HIS BACK AND SHARP PAIN. HE WAS TAKEN TO THE ER FOR EVALUATION AND TREATMENT.