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Cardiovascular response to the head-up tilt table test in the period when the vasovagal reaction emerges can reveal important information useful for diagnostic and preventive purposes. The aim of this study was to evaluate the influence of fatigue on the dynamics of functional cardiovascular parameters during the head-up tilt table test in non-athlete women cohort. A group of healthy non-athlete women attending health promotion training took part in the study (n = 20). In order to investigate the effect of post-workload parametric dynamics the subjects performed a 30-minute running sessions at a moderate intensity (aerobic exercising). Electrocardiography (ECG), arterial blood pressure (ABP) measurements were employed for the assessment of cardiovascular changes during an orthostatic test (head-up tilt table test) before and after the training session. The study results revealed significant differences in cardiovascular parameters analysed in this study: heart rate (HR), ST-segment depression, systolic, diastolic and pulse ABP before and after the workload (p < 0.05). In response to orthostasis an increase of the arterial blood flow intensity was indicated, while in response to clinostasis the decrease of arterial blood flow was observed. After the training session a post-workload hypotension was observed, and in response to orthostasis an increase of peripheral vascular tone was lowered. The results of the study confirmed that baroreflex regulation and autoregulation are sensitive to orthostatic body changes and could reveal the peculiarities of the cardiovascular functioning.

Fatigue influence on dynamics of cardiovas­cular functional parameters during head-­up tilt table test in women non-­athletes cohort

Fatigue influence on dynamics of cardiovascular functional parameters during head-up tilt table test in women non-athletes cohort