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Related Experiment Videos

Heart rate response during incremental exercise in master runners.

A Lucía1, A Carvajal, M Pérez

  • 1Departamento de Ciencias Morfológicas y Fisiología, Universidad Europea de Madrid, Spain. alejandro.lucia@mrfs.cisa.uem.es

The Japanese Journal of Physiology
|June 24, 2000
PubMed
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Heart rate response in master runners aged 62 years showed a downward deflection in only 31% of subjects during exercise. Most aged athletes do not exhibit this curvilinear heart rate response.

Area of Science:

  • Sports Medicine
  • Cardiovascular Physiology
  • Exercise Science

Background:

  • The heart rate (HR) response during exercise is a key indicator of cardiovascular function.
  • A curvilinear relationship, characterized by a downward deflection point (HR(d)), has been observed in some populations during incremental exercise.
  • Understanding HR kinetics in master athletes is crucial for assessing exercise capacity and cardiovascular health.

Purpose of the Study:

  • To investigate the heart rate (HR) response kinetics during incremental treadmill exercise in master runners.
  • To determine the prevalence of a downward deflection point (HR(d)) in the HR/running speed relationship in this cohort.
  • To explore potential associations between HR response patterns and cardiac dimensions in aged athletes.

Main Methods:

Related Experiment Videos

  • Analysis of heart rate (HR) kinetics during incremental treadmill exercise.
  • Assessment of the HR/running speed (HR/S) relationship to identify a downward deflection point (HR(d)).
  • Resting echocardiographic evaluations to assess cardiac dimensions.

Main Results:

  • Thirteen master runners (mean age 62 ± 1 yr) participated in the study.
  • The HR/running speed (HR/S) relationship exhibited a downward deflection (HR(d)) in only approximately 31% of the subjects.
  • Resting echocardiographic evaluations revealed similar heart dimensions across all participants.

Conclusions:

  • The curvilinear heart rate response (downward deflection) is not a common finding in most aged master athletes.
  • HR kinetics during incremental exercise may differ in master athletes compared to other populations.
  • Further research is warranted to elucidate the physiological mechanisms underlying HR response in master athletes.