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Relationship Between Breath Regulation and Stroke Volume with Exercise Intensity: a Pilot Study

Authors:
Wei-Chen Lai
Po-Hsun Huang
Tzu-Chien Hsiao

Keywords: Breath Frequency; Stroke Volume; Incremental Test

Abstract:
Exercise is a physical activity that can enhance or maintain physical ability and health. For oxygen extraction, the ventilation will be affected by the breathing response. Cardiac Output (CO) amounts to blood by the heart pumping through the circulatory system. This blood ensures that oxygen is delivered to active tissue. During inspiration or expiration, Stroke Volume (SV) also changes. As we can see, the cardiopulmonary reactions during exercise face dynamic changes. In this work, we used a non-invasive method to measure SV and Breathing Frequency (BF) in order to investigate cardiopulmonary interactions observed during incremental exercising. The result in this experiment showed that SV would decrease to a stable value in the last stage of exercise. CO and BF would increase. SV and BF have opposite changes during incremental exercise. To the best of our knowledge, this study is the first one to use non-invasive methods to observe the changes in hemodynamic parameters during incremental exercising. The benefit of a non-invasive approach is that it is more suitable for home activities.

Pages: 105 to 108

Copyright: Copyright (c) IARIA, 2020

Publication date: March 22, 2020

Published in: conference

ISSN: 2308-4359

ISBN: 978-1-61208-763-4

Location: Valencia, Spain

Dates: from November 21, 2020 to November 25, 2020