Eletromyographic study of the Rectus femoris and Bíceps femoris (long head) muscles during bilateral isotonic contraction in a 450 leg press apparatus. Biosci. J. [Internet]. 2007 Jun. 19 [cited 2025 Dec. 16];22(3). Available from: https://seer.ufu.br/index.php/biosciencejournal/article/view/6810