Possible Mechanism for Modulating Cardiovascular System During Running in Humans

Abstract

Cardiovascular response to running exercise was studied with a simple pulsatile cardiovascular model. Published experimental data during graded exercise were used to tune the model parameters. Study results show that cardiac output is modulated by rhythmic muscle contractions during running. It oscillates when step rate and heart rate are not synchronised but stabilises when they are synchronised. A maximum cardiac output can be achieved by synchronising step rate with heart rate at an optimal phase delay.

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Document Details

Document Type
Technical Report
Publication Date
Oct 25, 2001
Accession Number
ADA411128

Entities

People

  • Branko Celler
  • Daoming Zhang

Organizations

  • University of New South Wales

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Blood
  • Blood Flow
  • Blood Volume
  • Cardiovascular Diseases
  • Cardiovascular Physiological Phenomena
  • Cardiovascular System
  • Electrical Engineering
  • Engineering
  • Experimental Data
  • Heart
  • Heart Rate
  • Microvessels
  • Simulations
  • Ventricles
  • Volume
  • Workload

Fields of Study

  • Biology

Readers

  • Cardiovascular Physiology
  • Fluid Mechanics and Fluid Dynamics.
  • Radio communications and signal processing.