The Influence of Short-Term Occlusion on Dynamics of Arterial Circulation in Calf Muscles

Birutė Zacharienė,Algirdas Bolevičius,Jonas Poderys,Albinas Grūnovas

doi:10.33607/bjshs.v2i81.332

Abstract

Research background and hypothesis. KAATSU training is a method based on workout in a local hypoxic environment. For the justiﬁ cation of its a detailed vascular response to circulatory disturbances is required.Research aim. The aim of this study was to investigate the peculiarities of reactive hyperaemia depending on the duration of occlusion and preliminary ﬁ lling with blood of the occluded limb.Research methods. Arterial blood-ﬂ ow intensity was measured by vein-occlusion plethysmography after 1, 2, and 3 minutes of occlusions. When the occlusion cuff was quickly inﬂ ated with air above 250 mmHg, the amount of blood in vessels was close to the conditions of physiological norm. While the leg was lifted above the heart level for 30 seconds, the amount of blood in the calf decreased. A slow blowing the air into the cuff created a situation when the amount of blood in vessels had increased before the blood-ﬂ ow was arrested. Research results. The peak blood-ﬂ ow in the reactive hyperaemia phase depends on the duration of the occlusion and on the degree of ﬁ lling with blood of segment under occlusion. The peak blood-ﬂ ow readings were registered after occlusions conducted when the amount of blood in the limb had decreased before the occlusion and the lowest blood-ﬂ ow readings was registered after occlusion done with the increased ﬁ lling of vessels. Discussion and conclusions. The initial ﬁ lling of vessels with blood or the degree of tension of endothelial cells of vascular wall is the most signiﬁ cant inﬂ uence on blood ﬂ ow activation after short-term occlusions.Keywords: blood flow arrest, reactive hyperaemia, occlusion plethysmography.

Highlights

Exercise physiology provides a lot of evidence that muscle working capacity during physical activity is determined by its blood supply (Depairon, Zicot, 1996; Fitzpatrick et al, 1996; Hughson et al, 1996; Smith, Norris, 2002)
The highest readings, i. e. the peak blood flow, were registered after the occlusion conducted when the amount of blood in the limb was decreased before the occlusion and the lowest blood circulation readings were registered after the occlusion, when there was an increased flow of blood into blood vessels
Peak blood circulation readings were registered after the occlusion conducted when the amount of blood in the limb had decreased before the occlusion and the lowest blood circulation readings were registered after the occlusion when filling with blood of blood vessels had increased

Summary

Introduction

Exercise physiology provides a lot of evidence that muscle working capacity during physical activity is determined by its blood supply (Depairon, Zicot, 1996; Fitzpatrick et al, 1996; Hughson et al, 1996; Smith, Norris, 2002). Changes in muscle blood flow directly influence the intensity of oxidative metabolic processes in the muscle, and at the same time, they indicate their working capacity (Depairon, Zicot, 1996; Hughson et al, 1996; Poderys, 2000). It is important to take into account factors influencing blood circulation trying to increase muscle working capacity. For this purpose, a number of methods aimed at increasing muscle. One of the variants of such combination of stimulation methods is a combination of so called “needle application” and negative pressure (Poderys, 2000)

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