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Determinants of changes in blood glucose response to short-term exercise training in patients with Type 2 diabetes


Hordern, MD and Cooney, LM and Beller, EM and Prins, JB and Marwick, TH and Coombes, JS, Determinants of changes in blood glucose response to short-term exercise training in patients with Type 2 diabetes, Clinical Science, 115, (9) pp. 273-281. ISSN 0143-5221 (2008) [Refereed Article]

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Copyright The Authors Journal compilation Copyright 2008 Biochemical Society

DOI: doi:10.1042/CS20070422


The aim of the present study was to determine the effects of a 4-week exercise training intervention on blood glucose, insulin sensitivity, BMI (body mass index) and cardiorespiratory fitness in patients with Type 2 diabetes, and to identify and establish criteria for patients who are more likely to improve their blood glucose from short-term exercise training. A randomized, controlled trial of exercise training, comprising two supervised and one non-supervised sessions of individualized cardiorespiratory and resistance exercise per week, was performed in 132 healthy patients with Type 2 diabetes (exercise training group, n = 68), with the aim of accumulating a minimum of 150 min of moderate-intensity exercise for 4 weeks. BMI, waist circumference, blood pressure, blood lipid profile, blood glucose, insulin, insulin sensitivity [calculated by HOMAIR (homoeostasis model assessment of insulin resistance) and QUICKI (quantitative insulin check index)], β-cell function (calculated by HOMAβ-cell), HbAIC (glycated haemoglobin) and Vo2max (maximal oxygen consumption) were measured at baseline and at 4 weeks. The exercise training group had significant improvements in Vo2max, BMI and triacylglycerols (triglycerides). There were no significant changes in blood glucose, HOMAIR, QUICKI or HOMAβ-cell. Decreases in blood glucose were significantly predicted by baseline blood glucose and HbAIc, with these variables accounting for 15.9% of the change in blood glucose (P < 0.001). ROC (receiver operator characteristic) curve analysis revealed that patients with a blood glucose < 8.85 mmol/l (sensitivity = 73 %, specificity = 78%) and HbAIc < 7.15% (sensitivity = 79%, specificity = 60%) were more likely to achieve a clinically significant decrease in blood glucose. In conclusion, in apparently healthy patients with Type 2 diabetes, a 4-week exercise intervention improved cardiorespiratory fitness, BMI and triacylglycerols. Elevated blood glucose and HbAIc predicted improvements in blood glucose.

Item Details

Item Type:Refereed Article
Keywords:Blood glucose; Exercise; Glycaemic control; Insulin resistance; Insulin sensitivity; Type 2 diabetes
Research Division:Biomedical and Clinical Sciences
Research Group:Cardiovascular medicine and haematology
Research Field:Cardiology (incl. cardiovascular diseases)
Objective Division:Health
Objective Group:Clinical health
Objective Field:Clinical health not elsewhere classified
UTAS Author:Marwick, TH (Professor Tom Marwick)
ID Code:90749
Year Published:2008
Web of Science® Times Cited:32
Deposited By:Menzies Institute for Medical Research
Deposited On:2014-04-23
Last Modified:2020-12-13

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