EE WAS INSIDE DEYER SCRUBBER WELDING A PATCH. DUE TO SMALL AREA IN WHICH EE HAD TO WORK, BODY WEIGHT WAS SHIFTED DIRECTLY OVER RIGHT FOOT AND LEG. FOOT WAS ASLEEP AFTER TASK AND CONTINUED SO O VER THE WEEK-END. TOOK TO CO DR ON 20 NOV 00 ANDPLACE ON RESTRICTED DUTY DUE TO INFLAMMED DISC IN LOWER BACK.