WHEN EE STEPPED ON TOP OF THE TRUCK TO SAMPLE IT HE FELT HIS BACK BEGIN TO SPASM. ABOUT AN HOUR LATER IT BEGAN TO HURT MORE. HE REPORTED TO THE MANAGER THAT HE MAY HAVE TO SEE A CHIROPRACTOR. HE DID SO AT ABOUT 12:30. THE CHIROPRACTOR TOLD HIM THAT HE HAD STRAINED HIS BACK & SHOULD TAKE A COUPLE OF DAYS OFF WORK HEAL.