FEATURES OF THE CORRELATION RELATIONSHIP BETWEEN BIOIMEDANSOMETRY INDICATORS AND HEART RATE VARIABILITY IN STUDENTS WITH HYPOKINESIA IN THE PROCESS OF READAPTATION
DOI:
https://doi.org/10.32782/ped-uzhnu/2025-8-36Keywords:
hypokinesia, correlation, bioimpedancemetry, heart rate variability, hypokinesia, readaptationAbstract
The purpose of the research. To study the features of the correlation between bioimpedance measurements and heart rate variability in students with hypokinesia during readaptation using exercise models developed based on strength fitness.Research methods. The research involved 120 students aged 18±0.3 years. Two groups were formed.Group A (physically healthy students) used “standard” physical education programs for 5 months. Students with hypokinesia (group B) used experimental models of re-adaptation classes developed on the basis of strength fitness. Using the Spearman rank correlation coefficient, correlations were determined between bioimpedancemetry and heart rate variability indicators fixed at the beginning and after 5 months of use of the specified models of re-adaptation classes by the students of the surveyed groups.The results. It was found that in group A at the end of the study the correlation between the percentage of fat mass and vegetative balance changed from positive moderate (r=0.632) to negative moderate (r=-0.423).A similar change in direction, from negative moderate correlation (r=-0.427) to positive moderate (r=0.482) was found between the indicator of FM and VLF, as well as FM and LF with r=-0.463 at the beginning and r=0.578 at the end of the study. It was found that the correlations fixed at the end of the study in students with hypokinesia demonstrate completely different values, compared to the initial data. Only the positive relationship between the indicator of FM and VLF remained unchanged. The correlation between lean body mass and LF changed from positive moderate (r=0.487) to negative moderate (r=-0.682). The correlation between BFM and HF changed from negative moderate (r=-0.506) to positive moderate (r=0.601). The correlation between LF/HF and HM changed from positive strong (r=0.837) to negative moderate (r=-0.567). The correlation between LF/HF and BFM changed from positive moderate (r=0.478) to negative moderate (r=-0.687). At the same time, the correlation between LF/ HF and ACM changed from positive moderate (r=0.433) to negative moderate (r=-0.513).Conclusions. The results of the study demonstrate that in students with hypokinesia in the process of long-term readaptation, using experimental models of classes developed on the basis of strength fitness for 5 months, about 90% of correlations between body composition parameters and HRV spectral analysis indicators changed not only their parameters, but also their direction (from a positive relationship to a negative one, or vice versa).
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