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    Time–Frequency Analysis of Variability in External Respiration and Heart Rate in Humans during Exercise

    Very low frequency (VLF) oscillations in parameters of the oxygen transport system (OTS) were studied at rest and during light physical exercise on a bicycle ergometer. Nine healthy subjects (five males and fo...

    V. G. Grishin, O. V. Grishin, V. S. Nikultsev, V. V. Gultyaeva… in Biophysics (2022)

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    Article

    Frequency Analysis of Oscillations of External Respiration Parameters and Heart Rate in the VLF Range

    Abstract—Very-low-frequency oscillations of respiratory and gas exchange parameters were analyzed in subjects at rest and then compared with the heart rate variability. Time-frequency analysis demonstrated that v...

    V. G. Grishin, O. V. Grishin, V. S. Nikultsev, V. V. Gultyaeva… in Biophysics (2022)

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    Cardiorespiratory Coordination in Acute Hypoxia in Runners

    The study was aimed at determining cardiorespiratory coordination under the influence of acute hypoxia in athletes with different levels of sports qualifications. Eighteen runners aged 17 to 25 were exposed to...

    S. G. Krivoshchekov, D. Yu. Uryumtsev, V. V. Gultyaeva, M. I. Zinchenko in Human Physiology (2021)

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    Article

    Physical Activity and Arterial Blood Pressure Response to Handgrip Exercise

    We studied the pressor response to isometric handgrip (IHG) in relation to the level of habitual physical activity (PA) in men and women. The study involved 116 volunteers (69 women and 47 men) aged 20 to 59 y...

    V. V. Gultyaeva, M. I. Zinchenko, D. Yu. Uryumtsev, V. G. Grishin… in Human Physiology (2019)

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    Article

    Blood Pressure Measurement under Within-Visit Conditions in Normotensive Volunteers

    The dynamics of mean values and blood pressure (BP) variability were studied under within-visit conditions in normotensive subjects. The study involved 104 volunteers aged 20 to 65 years (46 men and 58 women) ...

    O. V. Grishin, M. I. Zinchenko, V. V. Gultyaeva, D. Yu. Uryumtsev… in Human Physiology (2017)

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    Article

    Changes in the functional organization of the respiratory system in residents of Western Siberia in the winter season

    The respiratory parameters of healthy young men from Western Siberia have been examined. The correlations between the parameters have been analyzed, and the functional structure of the respiratory system in su...

    G. S. Shishkin, N. V. Ustyuzhaninova, V. V. Gultyaeva in Human Physiology (2014)