GRM was changing filter sock at #1 baghouse on 350 hot end when he felt pain in right elbow & forearm area. Taken to Dr. for right arm strain and given OTC medication and returned to work with no restrictions. Primary doctor ordered physical therapy on 10/27/14-11/28/14. Taken out of work 12/02/14 through 2/1/15. RTW on 2/2/15. 40 LTA days.