“Eletromyographic study of the Rectus femoris and Bíceps femoris (long head) muscles during bilateral isotonic contraction in a 450 leg press apparatus” (2007) Bioscience Journal, 22(3). Available at: https://seer.ufu.br/index.php/biosciencejournal/article/view/6810 (Accessed: 24 December 2025).