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How many steps/day are enough? For adults.

Catrine Tudor-Locke1, Cora L Craig, Wendy J Brown

  • 1Walking Behavior Laboratory, Pennington Biomedical Research Center, Baton Rouge, LA, USA. Tudor-Locke@pbrc.edu

The International Journal of Behavioral Nutrition and Physical Activity
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PubMed
Summary
This summary is machine-generated.

Understanding how many steps per day are enough is key for public health. Current research suggests 7,000-8,000 steps daily aligns with moderate-to-vigorous activity guidelines.

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Area of Science:

  • Exercise Physiology
  • Public Health
  • Biomedical Informatics

Background:

  • Traditional physical activity guidelines use frequency, duration, and intensity.
  • Objective monitoring tools like pedometers offer step-based activity measurement.
  • Emerging step-based guidelines show discrepancies, necessitating harmonization with evidence.

Purpose of the Study:

  • To update knowledge on daily step counts sufficient for health.
  • To inform step-based recommendations aligned with current physical activity guidelines.
  • To reconcile step counts with moderate-to-vigorous physical activity (MVPA) recommendations.

Main Methods:

  • Review of normative step data for healthy adults (4,000-18,000 steps/day).
  • Analysis of intervention studies showing incremental step increases (2,000-2,500 steps/day).
  • Examination of cadence-based intensity (100 steps/minute for moderate intensity walking).
  • Calculation of step translations for MVPA recommendations, considering habitual activity.

Main Results:

  • 10,000 steps/day is a reasonable target for adults, with variations in 'low active populations'.
  • 100 steps/minute equates to moderate intensity; 30 minutes yields a heuristic 3,000 steps.
  • Computed MVPA step translations range from 7,100 to 11,000 steps/day.
  • Direct estimates for minimal MVPA in free-living are 7,000-8,000 steps/day.

Conclusions:

  • A step-based scale, acknowledging 'some activity is better than none,' is useful.
  • Recommendations should integrate habitual activity and MVPA targets (7,000-8,000 steps/day).
  • Standardized, evidence-based step recommendations are crucial for public health messaging and behavior change.