Subhi, S. .; Shamsi, I. I. .; Yamin, F. .; Rehman, A. U. .; Azim, F. .; Kumar, R. .; Khanzada, S. . A STUDY TO INVESTIGATE THE ROLE OF PELVIC FLOOR MUSCLE IN CHRONIC NONRESPONSIVE BACK ACHE IN FEMALES. Int J Physio 2016, 3, 115-118.