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  • Title: Enzyme activities and reduced insulin need with training in streptozotocin-induced diabetic rats.
    Author: Brassard L, St-Pierre D, Taylor AW.
    Journal: Horm Metab Res; 1982 Aug; 14(8):395-8. PubMed ID: 6215324.
    Abstract:
    Following a 12-week endurance training program, the SDH activities of gastrocnemius medialis muscle of streptozotocin-induced diabetic animals increased by 50%. On the other hand, a 14% decrease was observed in the same muscle of diabetic animals submitted to power training. No difference between groups, for soleus and gastrocnemius lateralis muscles following the two different training regimens was observed. It can be concluded that streptozotocin-induced diabetic animals controlled by daily insulin demonstrate a normal muscle enzyme adaptation to exercise. These data also demonstrate that regular power and/or endurance exercise can result in reduced exogenous insulin need in streptozotocin-induced diabetic rats (18% and 28% respectively), suggesting a more efficient membrane transport of glucose with induced exercise, and a decreased need for insulin supported transport.
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