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Are habitual runners physically inactive?

Timo Rantalainen1, Arto J Pesola2, Matthew Quittner1

  • 1a School of Exercise and Nutrition Sciences, Institute for Physical Activity and Nutrition (IPAN) , Deakin University , Geelong , Victoria , Australia.

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Summary
This summary is machine-generated.

Recreational running, even long distances, doesn't guarantee meeting physical activity guidelines. Many runners and joggers fall short of the recommended moderate- to vigorous-intensity physical activity (MVPA) bouts per week.

Keywords:
Accelerometryleisure time physical activitymoderate-to-vigorous physical activityphysical activity guidelinessedentary behaviour

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Area of Science:

  • Exercise Physiology
  • Public Health
  • Sports Science

Background:

  • The World Health Organization (WHO) recommends 150 minutes of moderate- to vigorous-intensity physical activity (MVPA) weekly, accumulated in 10-minute bouts.
  • Recreational exercise is often pursued to meet these guidelines, but its effectiveness in ensuring guideline adherence is not fully understood.

Purpose of the Study:

  • To investigate whether habitual recreational exercise, specifically running, ensures adherence to WHO physical activity guidelines.
  • To compare the MVPA and bout duration between long-distance runners, joggers, and sedentary adults.

Main Methods:

  • 25 long-distance runners (mean 67 km/wk), 25 joggers (mean 28 km/wk), and 20 sedentary adults wore an ActiGraph GT3X+ accelerometer for 7 days.
  • Objective measurement of physical activity, sedentary time, and bout duration was performed using accelerometry.

Main Results:

  • 65% of sedentary adults, 32% of joggers, and 4% of long-distance runners did not meet the WHO guideline for MVPA.
  • Sedentary adults accumulated 20 min/day of MVPA, joggers 45 min/day, and runners 83 min/day, with significant differences between groups (p ≤ 0.001).
  • Failure to meet guidelines was observed even in runners completing less than 50 km per week, indicating self-reported exercise may not suffice.

Conclusions:

  • Habitual recreational running does not ensure adults meet physical activity guidelines or offset sedentary behaviors.
  • Sedentary individuals achieved recommended MVPA bout durations through incidental activities, suggesting a potential alternative strategy.
  • Future research should explore modifying work and leisure activities rather than solely promoting recreational exercise for guideline adherence.