Efecto del entrenamiento concurrente en las fibras musculares de ratas wistar sometidas a Dietas normal e hipercalórica
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To analyze the effects of concurrent training (CT) on the muscle fibers of Wistar rats submitted to standard and hypercaloric diets. In total, 40 rats were used, divided into 4 groups: Sedentary Group (GS); Exercise Group (GE), Obese Sedentary Group (OS) and Obese Exercise Group (OE). The animals performed a CT protocol consisting of: muscle strength training and aerobic training, carried out 3 times a week for 45 days. The smallest diameter of muscle fibers (MDF) was analyzed to evaluate muscle hypertrophy. It was observed that the OE group presented a significant decrease in MDF, compared to the OS group (OE=77.41 mm vs. OS=98.58 mm). In addition, the animals that performed CT demonstrated muscle hypertrophy (GE=74.39 mm vs. GS=72.13 mm). In conclusion, the CT with a standard diet promoted an increase in MDF while CT with a hypercaloric diet resulted in a decrease.
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Hypertrophy, Muscles, Obesity, Rats, Training
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Inglês
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International Journal of Morphology, v. 35, n. 2, p. 637-643, 2017.
