Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 48 11 2019 11 04 Comparison of Clinical Effectiveness for Lumbar Pain Reduction between Exercise Programs on Flat Surface and Proprioceptive Equipment 2086 2087 Woo Yeul BAEK Department of Sport Management, Kyonggi University, Suwon, South Korea Sang Soo KIM Department of Physical Education, Keimyung University, Daugu, South Korea Sung Bum JU Department of Physical Education, Busan National University of Education, Busan, South Korea 2019 11 04 No Abstract No Abstract No Abstract https://ijph.tums.ac.ir/index.php/ijph/article/view/18858 https://ijph.tums.ac.ir/index.php/ijph/article/download/18858/6579