Prior exercise does not affect chylomicron particle number following a mixed meal of moderate fat content
2007

Exercise and Chylomicron Particle Number

Sample size: 8 publication Evidence: moderate

Author Information

Author(s): James Anthony P, Slivkoff-Clark Karin, Mamo John CL

Primary Institution: Curtin University of Technology

Hypothesis

Does a single session of exercise reduce fasting and postprandial chylomicron particle number on the subsequent day?

Conclusion

A single session of moderate intensity exercise reduces fasting triacylglycerol levels, but does not affect fasting or postprandial chylomicron particle number.

Supporting Evidence

  • Fasting triacylglycerol concentration was reduced by 16% following exercise.
  • No change in fasting or postprandial apolipoprotein B48 concentration was observed.
  • Postprandial triacylglycerol concentration was not affected when corrected for baseline concentration.

Takeaway

Exercising for 90 minutes can lower fat levels in your blood after eating, but it doesn't change the number of fat particles that can cause heart problems.

Methodology

Randomised crossover design with fasting blood samples collected before and after a moderate fat mixed meal on two separate days, one following exercise and one without.

Potential Biases

Potential bias due to the exclusion of individuals with certain health conditions.

Limitations

Small sample size and only healthy, lean subjects were included, limiting generalizability.

Participant Demographics

Eight healthy male and female subjects, average age 29.8 years, not overweight or obese.

Statistical Information

P-Value

0.053

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-511X-6-8

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