Employee claims he hurt his back lifting a seat assembly out of a 992D FE Ldr. He went to the dr on 2/14/2013 and the doctor returned him to FD and told him to take Tylenol. He rtn'd to the dr on 2/21/13 still complaining of numbness in leg and doctor gave him 2 prescriptions, felt it was a strained hip and told him to go to therapy, but rtn'd him to his regular full duty job.