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Monday, May 10, 2010

Exercise & Insulin Resistance

Effects of 7 days of exercise training on insulin sensitivity and responsiveness in type 2 diabetes mellitus

From the abstract:

The objectives of this study were to determine whether
1) the improvement in insulin action induced by short-term exercise training in patients with type 2 diabetes is due to an improvement in insulin sensitivity, an improvement in insulin responsiveness, or a combination of improved insulin sensitivity and responsiveness and
2) short-term exercise training results in improved suppression of hepatic glucose production by insulin.
Subjects:  14 Males with Type 2 Diabetes,  avg. age 64 +/- 2 years
Exercise Protocol:  1 week of exercise, 1 hr total (30 min cycling, 30 min walking) at ~70% max.
No weight loss occurred

One week of vigorous exercise training can induce significant improvements in insulin action in type 2 diabetes. These improvements include increased peripheral insulin sensitivity and responsiveness as well as enhanced suppression of hepatic glucose production.

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