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Abstract : The aim of the research is to reveal the effect of free rhythmic aerobic exercises on a number of functional, biochemical, and physical variables for female students of the College of Physical Education and Sports Sciences and to compare the pre and post-measurements. The experimental method was used in a one-group design for its relevance to the nature of the research, and the research sample consisted of (19) female students from the third stage in the College of Physical Education and Sports Sciences for the academic year (2019-2020). They were chosen in a deliberate way, and their average height, weight, and age were (2.871 ± - 158.368) cm, (4.094 ± - 60.894) kg, and (1.025 ± - 22.052) years respectively. All-female students were subjected to the curriculum of free rhythmic aerobic exercises for (12) weeks. The continuous training method was used with a ripple training load (3:1), the functional, biochemical, and physical measurements were taken before the curriculum, and also the same measurements were taken after the curriculum. The pre and post-measurements were carried out at an ambient temperature between (23-24)°C and humidity ranging between (35 - 40%). The researchers used testing, measurement, and all available information as means and tools for data collection, as they used a set of medical and laboratory devices and tools. The following functional variables were studied: number of breaths, systolic blood pressure, and diastolic blood pressure. As well as the following biochemical variables: total cholesterol, triglycerides, HDL, and LDL. In addition to the physical variable is aerobic capacity. The data were processed statistically using the arithmetic mean, standard deviation, and t-test for related samples. The research concluded that the training curriculum led to positive, significant changes in the number of breathing times, systolic pressure, total cholesterol, triglycerides, HDL, LDL, and aerobic capacity. While it did not lead to any significant change in the value of diastolic blood pressure.

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