MAINENTI, MÍRIAM RAQUEL MEIRA, CAMILA RODRIGUES, FÁTIMA PALHA DE OLIVEIRA, and ALEXANDRE MORAES DE MELLO. 2014. “FREQUENCY AND INTENSITY OF LOW BACK PAIN IN PARTICIPANTS IN A FITNESS CORPORATE PROGRAM”. Fiep Bulletin - Online 77 (2). https://fiepbulletin.net/fiepbulletin/article/view/4125.