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Progress in physical activity over the Olympic quadrennium.

James F Sallis1, Fiona Bull2, Regina Guthold3

  • 1Department of Family Medicine and Public Health, University of California, San Diego, CA, USA.

Lancet (London, England)
|August 1, 2016
PubMed
Summary
This summary is machine-generated.

Physical inactivity remains a global pandemic, with limited progress in reducing prevalence. More research and policy implementation are crucial, especially in low- and middle-income countries (LMICs).

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Area of Science:

  • Public Health
  • Global Health
  • Epidemiology

Background:

  • The first Lancet Series in 2012 declared physical inactivity a global pandemic requiring urgent public health action.
  • Significant progress has been made in monitoring physical inactivity globally, though improvements in prevalence are not yet evident.
  • Emerging research links physical inactivity to approximately 3.8% of global dementia cases, highlighting its impact on brain health.

Purpose of the Study:

  • To summarize progress on physical activity and inactivity since the 2012 Lancet Series.
  • To review advancements in surveillance, research, interventions, and policy implementation.
  • To identify key challenges and areas for future efforts, particularly in low- and middle-income countries (LMICs).

Main Methods:

  • Review of progress in physical activity surveillance and research.
  • Analysis of intervention studies, with a focus on LMICs.
  • Assessment of national physical activity policies and their implementation status.

Main Results:

  • Increased global monitoring of physical inactivity, but scarce evidence of prevalence improvement.
  • Physical inactivity is linked to 3.8% of dementia cases worldwide.
  • Higher physical inactivity rates in urban versus rural populations in LMICs, a growing concern due to urbanization.
  • Initial evidence suggests community-based interventions in LMICs can be effective.
  • While most countries have policies, less than 60% have operationalized them, indicating significant implementation barriers.

Conclusions:

  • Despite some progress in monitoring and research, substantial efforts are needed to increase physical activity globally.
  • Addressing barriers to policy implementation is critical for achieving meaningful change.
  • Enhanced surveillance, research, intervention capacity, and policy implementation are essential, with a particular focus on LMICs.