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Related Experiment Videos

Morphologic consequences of systematic training.

L M Shapiro1

  • 1Department of Cardiology, Papworth Hospital, Cambridge, United Kingdom.

Cardiology Clinics
|May 1, 1992
PubMed
Summary
This summary is machine-generated.

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Athletes

Area of Science:

  • Cardiology and Sports Medicine

Background:

  • Echocardiography advancements in the 1970s enabled detailed study of the athlete's heart.
  • Athletes' hearts exhibit distinct physiological adaptations to training.

Purpose of the Study:

  • To document the cardiac structural changes in athletes due to training.
  • To quantify echocardiographic differences between athletes and sedentary individuals.

Main Methods:

  • Utilized echocardiography to assess cardiac dimensions and mass.
  • Compared measurements between trained athletes and a control group of sedentary individuals.

Main Results:

  • Athletes showed increased left ventricular cavity size and myocardial thickness.
  • Left ventricular end-diastolic dimension increased by ~10%, posterior wall by 15-20%, and calculated mass by up to 45% compared to controls.

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  • Observed changes, though significant, were often within standard normal ranges.

    • Conclusions:

    • Prolonged, repetitive training induces measurable cardiac adaptations in athletes.
    • Echocardiography is crucial for identifying these physiological changes, differentiating them from pathological conditions.