A Randomized Controlled Trial of Resistance Exercise Training to Improve Glycemic Control in Older Adults With Type 2 Diabetes

  • Carmen Castaneda
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Jennifer E. Layne
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Leda Munoz-Orians
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Patricia L. Gordon
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Joseph Walsmith
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Mona Foldvari
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Ronenn Roubenoff
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Katherine L. Tucker
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts
  • Miriam E. Nelson
    Jean Mayer U.S. Department of Agriculture Human Nutrition Research Center on Aging, Tufts University, Boston, Massachusetts

抄録

<jats:p>OBJECTIVE—To determine the efficacy of high-intensity progressive resistance training (PRT) on glycemic control in older adults with type 2 diabetes.</jats:p> <jats:p>RESEARCH DESIGN AND METHODS—We performed a 16-week randomized controlled trial in 62 Latino older adults (40 women and 22 men; mean ± SE age 66 ± 8 years) with type 2 diabetes randomly assigned to supervised PRT or a control group. Glycemic control, metabolic syndrome abnormalities, body composition, and muscle glycogen stores were determined before and after the intervention.</jats:p> <jats:p>RESULTS—Sixteen weeks of PRT (three times per week) resulted in reduced plasma glycosylated hemoglobin levels (from 8.7 ± 0.3 to 7.6 ± 0.2%), increased muscle glycogen stores (from 60.3 ± 3.9 to 79.1 ± 5.0 mmol glucose/kg muscle), and reduced the dose of prescribed diabetes medication in 72% of exercisers compared with the control group, P = 0.004–0.05. Control subjects showed no change in glycosylated hemoglobin, a reduction in muscle glycogen (from 61.4 ± 7.7 to 47.2 ± 6.7 mmol glucose/kg muscle), and a 42% increase in diabetes medications. PRT subjects versus control subjects also increased lean mass (+1.2 ± 0.2 vs. −0.1 ± 0.1 kg), reduced systolic blood pressure (–9.7 ± 1.6 vs. +7.7 ± 1.9 mmHg), and decreased trunk fat mass (−0.7 ± 0.1 vs. +0.8 ± 0.1 kg; P = 0.01–0.05).</jats:p> <jats:p>CONCLUSIONS—PRT as an adjunct to standard of care is feasible and effective in improving glycemic control and some of the abnormalities associated with the metabolic syndrome among high-risk older adults with type 2 diabetes.</jats:p>

収録刊行物

  • Diabetes Care

    Diabetes Care 25 (12), 2335-2341, 2002-12-01

    American Diabetes Association

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