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Related Experiment Video

Updated: Mar 18, 2026

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Does Stroke Volume Increase During an Incremental Exercise? A Systematic Review.

Stella S Vieira1, Brunno Lemes1, Paulo de T C de Carvalho2

  • 1Universidade Federal de São Paulo, Laboratório de Fisiologia e Fisiopatologia Cardíaca, São Paulo, SP, Brazil.

The Open Cardiovascular Medicine Journal
|June 28, 2016
PubMed
Summary
This summary is machine-generated.

Stroke volume response during exercise remains unclear, with conflicting evidence on whether it plateaus or decreases at maximal loads. Further research with standardized protocols is needed to clarify these findings.

Keywords:
Aerobic exercisecardiac functionheart physiologyincremental exercisemaximal-exercise loadstroke volume

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Area of Science:

  • Exercise Physiology
  • Cardiovascular Response
  • Skeletal Muscle Metabolism

Background:

  • Cardiac output must increase during exercise to meet skeletal muscle demands.
  • Heart rate and stroke volume adjustments are crucial for this increased cardiac output.
  • Current understanding of stroke volume changes during incremental exercise is limited and inconsistent.

Purpose of the Study:

  • To systematically review existing literature on stroke volume during incremental exercise.
  • To summarize findings regarding stroke volume, particularly at maximal exercise intensity.

Main Methods:

  • A comprehensive literature search was conducted across multiple databases (Cochrane, Embase, Medline, SportDiscus, PubMed, Web of Science).
  • Studies published from 1985 to the present were included.
  • Quality assessment of controlled and uncontrolled trials was performed.

Main Results:

  • Evidence regarding stroke volume at maximal exercise load is contradictory.
  • Some studies suggest stroke volume continues to increase.
  • Other studies indicate stroke volume plateaus or even decreases at maximal exercise.

Conclusions:

  • The behavior of stroke volume during maximal incremental exercise is not definitively established.
  • Contradictory evidence necessitates further investigation.
  • Standardized reporting of subject characteristics, exercise protocols, and left ventricular function is required.