Nazario-de-Rezende, F., E. Gaspareto Haddad, G. da Cunha Sousa, L. F. Gouvea e Silva, A. Goncalves, G. Gulart de Agostine, and D. Cristina de Oliveira Silva. “Eletromyographic Study of the Rectus Femoris and Bíceps Femoris (long Head) Muscles During Bilateral Isotonic Contraction in a 450 Leg Press Apparatus”. Bioscience Journal, vol. 22, no. 3, June 2007, https://seer.ufu.br/index.php/biosciencejournal/article/view/6810.