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Lipoprotein(a) and exercise

A Bonetti1, F Tirelli, L Arsenio

  • 1Chair of Sports Medicine, University of Parma, Italy.

The Journal of Sports Medicine and Physical Fitness
|June 1, 1995
PubMed
Summary
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Exercise significantly impacts lipoprotein(a) levels. In untrained individuals, lipoprotein(a) decreased post-exercise, while marathon runners showed increased levels after detraining.

Area of Science:

  • Exercise physiology
  • Cardiovascular health
  • Lipid metabolism

Background:

  • Lipoprotein(a) is an independent risk factor for cardiovascular disease.
  • The effects of acute and chronic exercise on lipoprotein(a) levels are not fully understood.

Purpose of the Study:

  • To investigate the impact of acute exercise and marathon running on plasma lipoprotein(a) levels.
  • To compare changes in lipoprotein(a) in untrained individuals versus trained marathon runners.

Main Methods:

  • Assessed plasma levels of lipoprotein(a) and other lipids in 10 untrained volunteers undergoing graded ergometric exercise.
  • Evaluated lipoprotein(a) in 8 marathon runners before and after a race, and after one month of detraining.
  • Blood samples were collected at multiple time points over 72 hours post-exercise and post-race.

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Main Results:

  • Untrained subjects showed a significant decrease in lipoprotein(a) from 24 to 72 hours post-exercise.
  • Marathon runners exhibited significantly increased lipoprotein(a) after detraining compared to basal and post-race levels.
  • Other metabolic parameters showed negligible changes.

Conclusions:

  • Acute exercise can transiently lower lipoprotein(a) in untrained individuals.
  • Detraining following intense endurance exercise leads to an elevation in lipoprotein(a) levels.
  • Lipoprotein(a) levels appear independent of other metabolic parameters and anthropometric data in this study.