THE EFFECT OF TEMPORARY OCCLUSION OF THE LOWER LIMBS ON THE CENTRAL HEMODYNAMICS OF ATHLETES
Main Article Content
Abstract
Objective. To determine the characteristics of central hemodynamic parameters under different levels of temporary lower limb occlusion in students specializing in physical culture and sports
Methods of the study. Measurements were conducted on 30 male students aged 18–25 years specializing in physical culture and sports. Occlusion was applied to the thighs using a 200 mm-wide blood pressure cuff for 3 minutes. The intensity of the first intervention corresponded to the level of diastolic blood pressure + 50 mmHg; the second intervention corresponded to the level of systolic blood pressure + 50 mmHg. Central hemodynamic parameters were recorded using the rheographic method.
Main results of the study. Both venous and arterial occlusion of the lower limbs generally caused a decrease in all blood pressure parameters, with a prolonged aftereffect. High interindividual differences were observed both in the baseline levels of stroke index and cardiac index and in their reactivity after venous and arterial occlusion among students specializing in physical culture and sports. Blood filling of the thoracic organs increased for a prolonged period after arterial occlusion of the lower limbs.
Scientific novelty of the study results. For the first time, a comparative analysis of the effects of short-term venous and arterial occlusion on the functional state of hemodynamics in students specializing in physical culture and sports was carried out.
Conclusions and specific suggestions of the author. Prospects for further research lie in clarifying the individual characteristics of central hemodynamic parameter reactivity under different gradations of lower limb occlusion.
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