Background: The purpose of this study was to assess the effects of carrying backpack with different loads on electromyography activity of selected lower limb muscles and fatigue during walking in elementary school students. Methods: Fifteen 9 to 11 years elementary school students were selected through convenient sampling method.  Subjects walked on the treadmill at a speed of 1.1 meter...

Background and Objectives: Oxidative stress from exercise, either injured muscles and reduces performance in athletes, or stimulates the production of cytokines from many cells. body respond to oxidative stress by activating antioxidant defenses and other protective devices to counteract these body pressures. Therefore, the purpose of this study is to investigate the effect of 8  weeks of stren...