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Effects of Nordic walking on cardiovascular risk factors in overweight individuals with type 2 diabetes, impaired or normal glucose tolerance.
MedLine Citation:
PMID:  22887834     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The effects of Nordic walking on cardiovascular risk factors were determined in overweight individuals with normal or disturbed glucose regulation. We included 213 individuals, aged 60 ± 5.3 years, with BMI 30.2 ± 3.8 kg/m(2) ; of these 128 had normal glucose tolerance (NGT), 35 had impaired glucose tolerance (IGT), and 50 had type 2 diabetes mellitus (T2DM). Participants were randomized to unaltered physical activity or to five hours per week of Nordic walking with poles, for a four month period. Dietary habits were unaltered. BMI, waist circumference, blood pressure, glucose tolerance, clinical chemistry, maximal oxygen uptake (peak VO(2) ), and self-reported physical activity (questionnaire) were assessed at the time of inclusion and after four months. The participants in the exercise intervention group kept a walking diary. In the NGT exercise group, self-reported physical activity increased markedly and body weight (-2.0 ± 3.8 kg), BMI (-0.8 ± 1.4 kg/m(2) ) and waist circumference (-4.9 ± 4.4 cm), (mean ± SD) decreased. Exercise power output (12.9 ± 9.9 W) and peak VO(2) (2.7 ± 2.8 ml x kg(-1) x min(-1) ) increased in the IGT exercise group. More cardiovascular risk factors were improved after exercise intervention in people with NGT compared with IGT or T2DM. Exercise capacity improved significantly in all three groups among participants at least 80% compliant with the scheduled exercise. Nordic walking improved anthropometric measurements and exercise capacity. However, unsupervised Nordic walking may not provide a sufficient increase in exercise intensity to achieve ultimate health-promoting benefits on the cardiovascular parameters assessed in this study, particularly for those with disturbed glucose regulation. Copyright © 2012 John Wiley & Sons, Ltd.
Authors:
T Fritz; K Caidahl; A Krook; P Lundström; F Mashili; M Osler; F L M Szekeres; C G Ostenson; P Wändell; J R Zierath
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-8
Journal Detail:
Title:  Diabetes/metabolism research and reviews     Volume:  -     ISSN:  1520-7560     ISO Abbreviation:  Diabetes Metab. Res. Rev.     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100883450     Medline TA:  Diabetes Metab Res Rev     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 John Wiley & Sons, Ltd.
Affiliation:
Center for Family and Community Medicine, Karolinska Institutet, Huddinge, Sweden.
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