OUR JEEP WAS HIT FROM BEHIND BY A COMMERCIAL VAN WHILE WE WERE SITTING AT A COMPLETE STOP. THE IMPACT WENT MOSTLY THREW THE TRAILER HITCH ON THE BACK OF THE JEEP. MY SHOULDER HARNESS FAILED TO CATCH AT THE POINT OF IMPACT. THE LAB BELT DID MANAGE TO HOLD ME IN PLACE. I HAD MILD BACK PAINS SOON AFTER THE ACCIDENT. THE PAIN PROGRESSIVELY GOT WORSE OVER TIME. I LATER FOUND THAT I DEVELOPED A HERNIATED DISC FROM THE ACCIDENT. THIS NOW IS GOING TO REQUIRE SURGERY TO CORRECT. I'M 22 WITH NO PREVIOUS BACK PROBLEMS. THE COLLISION DIDN'T SEEM TOO SEVER. THE OTHER VEHICALS SPEED IS UNKNOWN. THERE WERE 3 OTHER PASSENGERS IN THE JEEP AT THE TIME. THEIR SELT BELTS WORKED FINE. THEY ARE ALL DOING OKAY.*AK