Cited by 161Physical Activity and HealthDiabetes, Cardiovascular Risks, and LipoproteinsDiabetes Management and Research

The role of physical activity in the management of impaired glucose tolerance: a systematic review

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Yates, T., Khunti, K., Bull, F., Gorely, T., Davies, M. J.·2007·Diabetologia

Abstract

Although physical activity is widely reported to reduce the risk of type 2 diabetes in individuals with prediabetes, few studies have examined this issue independently of other lifestyle modifications. The aim of this review is to conduct a systematic review of controlled trials to determine the independent effect of exercise on glucose levels and risk of type 2 diabetes in people with prediabetes (IGT and/or IFG). A detailed search of MEDLINE (1966-2006) and EMBASE (1980-2006) found 279 potentially relevant studies, eight of which met the inclusion criteria for this review. All eight studies were controlled trials in individuals with impaired glucose tolerance. Seven studies used a multi-component lifestyle intervention that included exercise, diet and weight loss goals and one used a structured exercise training intervention. Four studies used the incidence of diabetes over the course of the study as an outcome variable and four relied on 2-h plasma glucose as an outcome measure. In the four studies that measured the incidence of diabetes as an outcome, the risk of diabetes was reduced by approximately 50% (range 42-63%); as these studies reported only small changes in physical activity levels, the reduced risk of diabetes is likely to be attributable to factors other than physical activity. In the remaining four studies, only one reported significant improvements in 2-h plasma glucose even though all but one reported small to moderate increases in maximal oxygen uptake. These results indicate that the contribution of physical activity independent of dietary or weight loss changes to the prevention of type 2 diabetes in people with prediabetes is equivocal.

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  • Fewer RCTs solely targeted PA behavior in individuals with or at risk of developing type 2 diabetes.

    “Fewer RCTs solely targeted PA behavior in individuals with or at risk of developing type 2 diabetes ( 279 , 284 , 285 ).”

    From Exercise and Type 2 Diabetes (2010) · cites this paper as [285]

    The Abstract and Results report that few studies isolated physical activity from other lifestyle changes in people with prediabetes: seven of eight included trials used multicomponent interventions, while one used structured exercise training. This supports the claim for people at risk of type 2 diabetes, but the review did not examine trials in people already diagnosed with it. (LLM, conf=0.86)

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Authors
Yates, T., Khunti, K., Bull, F., Gorely, T., & Davies, M. J.
Affiliations
  • Loughborough University (GB)
  • University of Leicester (GB)
Corresponding author
Yates, T.
Venue
Diabetologia
Published
2007-04-06
Volume
50
Issue
6
Pages
1116-1126
ISSN
  • 0012-186X (ISSN-L)
  • 1432-0428
OpenAlex
W2021955902
Cited by
161
References
45
Citations by year
2026: 2 · 2024: 6 · 2023: 3 · 2022: 8 · 2021: 10 · 2020: 5 · 2019: 3 · 2018: 4 · 2017: 11 · 2016: 7 · 2015: 7 · 2014: 9 · 2013: 5 · 2012: 8
FWCI
1.89
Type
journal article
Language
en
Open access
Locations
  • Diabetologia (publishedVersion, cc-by-nc)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • Leicester Research Archive (University of Leicester) (submittedVersion)
  • UWA Profiles and Research Repository (UWA) (submittedVersion, cc-by)
Topics
  • Health Sciences › Medicine › Physiology › Physical Activity and Health
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
physical activity, exercise training, impaired glucose tolerance, prediabetes, type 2 diabetes prevention, 2-hour plasma glucose, VO2max, lifestyle intervention
MeSH terms
Blood Glucose, Humans, Exercise, Randomized Controlled Trials as Topic, Treatment Outcome, Glucose Intolerance

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