Muhyaddin, Tara, and Eman Najemaldeen. “The Effect of Anaerobic Exercises on Electrical Activity Signal of the Working Muscles of the 50-Meter Freestyle Junior Swimmers”. Journal of Physical Education 35, no. 1 (March 28, 2023): 22–30. Accessed July 2, 2026. https://www.jcope.uobaghdad.edu.iq/index.php/jcope/article/view/1461.