The effect of a 400-meter freestyle swim at normal and high water temperatures on the relative volume of oxygen consumed by junior swimmers

The aim of the research is to identify the significance of the differences between two water temperatures (normal and high) in the volume of oxygen consumption relative to the junior swimmers. They were chosen deliberately, and to collect information, the researcher used technical tests and measurements, observation, and field interview, as means of data collection. The data were treated statistically through the arithmetic mean, standard deviation, t-Test for the related samples, and the coefficient of variation, and the researchers concluded the following:1. The water in high water temperature when physical effort 400 meters free swimming did not cause a noticeable increase in (comparative volume of oxygen consumed) compared to normal water temperature.The researchers also recommended the following:1- Using the training programs for swimmers appropriately to stimulate the appropriate metabolic and muscular adaptations that will make a big difference in achievement by conducting physiological tests to identify the aerobic and anaerobic abilities of swimmers and allocating a place for them in the training plan. The researcher recommends adopting a distance of 400 meters to identify the job capabilities of young swimmers.