Effect of different training modes of strength exercises on a student’s body

Abstract

Background and Study Aim. Scientific-methodical literature underlined the importance of improving the effectiveness of physical education’s tools and methods during the scheduled university lessons. Scientists point out the necessity to take into account every factor determining the training effect of lessons with strength exercises. The immediate training effect can be determined by measuring the heart rate during different modes of strength exercises and during recovery. The aim of this study is to analyse the strength exercises’ immediate training effect on a student’s body in the static mode and in the isotonic mode.
 Material and Methods. In the study participated 47 freshman male students of the Sochi State University (Russia). The study took place in September-December 2019. Heart rate was measured with Sport Testers POLAR RS-400 during strength exercises and during recovery. The results were analysed in the computer programme SPSS Statistics v22.0. Statistical significance of the results was defined using non-parametric Wilcoxon test. Heart rate was analysed during four types of plank positions in static and isotonic modes.
 Results: The study determined the effect of different training modes of strength exercises on a student’s body. The immediate training effect of doing the bodyweight strength exercises in the isotonic mode compared to the static mode is characterised by a higher maximum heart rate at the end of doing the exercise (р<0,05); a higher average heart rate during the exercise and during rest until the next exercise (р<0,05); a higher combined heart rate (р<0,05).
 Conclusion: The isotonic mode of the bodyweight strength exercises has a more prominent training effect than the static mode due to the specific nature of muscle contractions. Due to analysed heart rate values, the authors recommend taking into account the individual level of every student’s physical fitness.