Investigation of changes in psycho-physiological parameters evoked by short duration, intensive physical stress

Németh, E. and Bretz, K. and Sótonyi, P. and Bretz, Károly and Horváth, T. and Tihanyi, J. and Zima, E. and Barna, T. (2013) Investigation of changes in psycho-physiological parameters evoked by short duration, intensive physical stress. Acta Physiologica Hungarica, 100 (4). pp. 378-387. ISSN 0231-424X

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Abstract

The aim of our study was to investigate changes in psycho-physiological parameters evoked by short duration, intensive physical stress on university students practicing judo at different intensities and timely manner. Stability of posture, muscle strength (hand force exertions), attention concentration (choice reaction time), cardiac parameters, (ECG, heart rate, heart rate variability), and oxygen saturation were measured, cardiac state and stress index were computed before and after the physical stress. The actual psychic state of the subjects was evaluated using the Spielberger’s STPI-H Y-1 test which determined anxiety, curiosity, anger and depression level. Analysis of psychometric and physiologic parameters indicated significant correlations, among others, between force and cardiac stress (−), force and depression (−), anxiety and errors in actions (+), cardiac state and errors in action (−), cardiac state and depression (−). Paired samples tests showed the influence of intensive physical stress within groups of students, and independent samples tests made it possible to evaluate the power of medical and sport students, performing physical training at a significantly higher level than it is usual among the medical students. Our results proved that higher level physical training influences the psychic state advantageously, limits increases in cardiac stress level, and decreases susceptibility to anxiety and depression.

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