EMPLOYEE WAS REORGANIZING ELECTRICAL STORAGE AREA AND EXERTED HIMSELF BY LIFTING MOTORS THAT WERE TOO BIG. MUSCLE STRAIN TO RIGHT SIDE OF ABDOMEN. HELPER WAS AVAILABLE BUT WAS NOT ASKED TO ASS IST. ALSO, INJURED ROUTINELY WEARS A BACK SUPPORT BELT. HE HAD BEEN ADVISED NOT TO WEAR IT FULL TIME' THE CONCERN IS THAT HE IS WEAKENING HIS BACK & ABDOMEN BY NOT ALLOWING MUSCLES TO SUPPORT