Artery Research

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Volume 6, Issue 3, September 2012, Pages 136 - 140

Hemodynamic impacts of entrainment of heart rate and stride rate

Authors
Mandeep S. Dhindsa, Jun Sugawara, Hirofumi Tanaka*
Department of Kinesiology and Health Education, University of Texas at Austin, Austin, TX 78712, United States
*Corresponding author. Tel.: +1 512 232 4801; fax: +1 512 471 0946. E-mail address: htanaka@austin.utexas.edu (H. Tanaka).
Corresponding Author
Hirofumi Tanaka
Received 9 February 2012, Revised 13 March 2012, Accepted 1 May 2012, Available Online 7 June 2012.
DOI
10.1016/j.artres.2012.05.001How to use a DOI?
Keywords
Walking; Running; Wave reflection; Enhanced external counterpulsation
Abstract

Synchronization of heart rate and step rate has been hypothesized to create a hemodynamically favorable situation where heart motion and bodily motion are in constant harmony so that stroke volume and cardiac output enhanced and oxygen delivery to the tissues is increased. The primary aim of the present investigation was to determine the impact of synchronization of step rate and heart rate on cardiovascular functions. Twenty-three apparently healthy subjects performed treadmill running in three different conditions, one that the step rate was matched with the heart rate (matched condition), one that the step rate was ~10 steps greater or lower than heart rate (unmatched conditions). Beat-by-beat blood pressure was measured using the finger plethysmography, and stroke volume and cardiac output were calculated using the validated Model Flow method. Average heart rate and blood pressures were not different among the 3 conditions. There were no differences in double products among the 3 conditions. Stroke volume and cardiac output were greater (P < 0.05) in the matched condition than in the unmatched conditions. Our present results are consistent with the idea that synchronization of heart motion and bodily motion augments stroke volume and cardiac output, presumably through the mechanism similar to the arterial counterpulsation.

Copyright
© 2012 Association for Research into Arterial Structure and Physiology. Published by Elsevier B.V. All rights reserved.
Open Access
This is an open access article distributed under the CC BY-NC license.

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<Previous Article In Issue
Journal
Artery Research
Volume-Issue
6 - 3
Pages
136 - 140
Publication Date
2012/06/07
ISSN (Online)
1876-4401
ISSN (Print)
1872-9312
DOI
10.1016/j.artres.2012.05.001How to use a DOI?
Copyright
© 2012 Association for Research into Arterial Structure and Physiology. Published by Elsevier B.V. All rights reserved.
Open Access
This is an open access article distributed under the CC BY-NC license.

Cite this article

risenwbib
TY  - JOUR
AU  - Mandeep S. Dhindsa
AU  - Jun Sugawara
AU  - Hirofumi Tanaka
PY  - 2012
DA  - 2012/06/07
TI  - Hemodynamic impacts of entrainment of heart rate and stride rate
JO  - Artery Research
SP  - 136
EP  - 140
VL  - 6
IS  - 3
SN  - 1876-4401
UR  - https://doi.org/10.1016/j.artres.2012.05.001
DO  - 10.1016/j.artres.2012.05.001
ID  - Dhindsa2012
ER  -