Cited by 68Physical Activity and HealthCardiovascular and exercise physiologyCardiovascular Effects of Exercise

What is the optimal type of physical activity to enhance health?

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Shephard, R J·1997·British Journal of Sports Medicine

Abstract

This review examines the potential of active daily living as a means of gaining the cardiovascular and health rewards previously sought through vigorous aerobic fitness programmes. Cross-sectional studies of occupational and leisure activity show encouraging associations between such activity and good health; in workers, the gross intensity of effort needed for health benefits has seemed to be 20 kJ/min. There has been less unanimity on the threshold intensity needed in leisure activities, but various recent "position statements" have decreased the recommendation to 50% of an individual's maximal oxygen intake, sustained for one hour three to five times per week. Life-style activities such as walking seem likely to reach this intensity in older individuals, but are unlikely to do so in young adults. A growing number of controlled longitudinal studies of walking programmes have demonstrated gains in aerobic fitness, modest reductions in blood pressure, improvements in lipid profile, increased bone density, and enhanced mood state, with less consistent reductions of body fat. However, gains have been greatest in the elderly, sedentary, and obese populations. The main component of active living, fast walking, seems likely to enhance health in such populations, but it is unlikely to be effective in young adults who are in good initial health.

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Authors
Shephard, R. J.
Affiliations
University of Toronto (CA)
Corresponding author
Shephard, R J
Venue
British Journal of Sports Medicine
Publisher
BMJ
Published
1997-12
Volume
31
Issue
4
Pages
277-284
ISSN
  • 0306-3674 (ISSN-L)
  • 1473-0480
OpenAlex
W2137051418
Cited by
68
References
107
Citations by year
2026: 2 · 2025: 1 · 2024: 1 · 2021: 1 · 2020: 1 · 2019: 2 · 2017: 1 · 2016: 3 · 2014: 7 · 2013: 5
FWCI
0.24
Type
journal article
Language
en
Open access
Locations
  • British Journal of Sports Medicine (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Health Sciences › Medicine › Complementary and alternative medicine › Cardiovascular and exercise physiology
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiovascular Effects of Exercise
Keywords
physical activity, walking, fast walking, cardiorespiratory fitness, exercise intensity, VO2max, cardiovascular health, blood pressure, lipid profile, bone mineral density, mood, fat mass, sedentary populations, older adults, obesity, occupational activity, leisure activity
MeSH terms
Adult, Aged, Aged, 80 and over, Canada, Cross-Sectional Studies, Female, Health Status Indicators, Humans, Life Style, Male, Middle Aged, Physical Fitness, Health Behavior, Exercise, Risk Assessment

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