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KMID : 1135520170130030284
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Korean Journal of Exercise Rehabilitation
2017 Volume.13 No. 3 p.284 ~ p.291
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Physiological adaptations induced by swimming in mice fed a high fat diet
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Nogueira Pedro Augusto Silva
Pereira Miriam Pimenta
Soares Jeferson Jose Gomes
Filho Anderson Ferraz Norton
Tanimoto Izadora Mayumi Fujinami
Fonseca Ivana Alice Teixeira
Avelar Homero Oliveira
Botelho Francoise Vasconcelos
Roever Leonardo
Vieira Alexandre Antonio
Zanon Renata Graciele
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Abstract
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This study examined physiological variables of animals fed with a high-fat diet (HFD) or with a normal diet (ND) subjected to swimming at low and moderate level. Over 16 weeks, a group of animals was fed with HFD or ND, and at the 8 weeks, they started swimming with 50% or 80% of the maximum load achieved in the progressive work test. Weekly, body weight and the amount of ingested food were registered. The glycemic level was measured at the beginning, middle and at the end of the experiment. Adipose tissue, gastrocnemius muscles and hearts were collected for morphometry. The results showed that the animals fed an HFD had a minor caloric intake; however, the HFD increased body weight and adiposity, likely causing cardiac hypertrophy and an increase in the glycemic level. In this context, swimming with an 80% load contributed positively to weight control, adiposity, glycemic level, to control cardiac hypertrophy and induce hypertrophy in the gastrocnemius muscle. All parameters assessed showed better results for the ND animals. Therefore, the importance of fat consumption was emphasized in relation to obesity onset. The practice of swimming with an 80% load produced greater benefits than swimming with a 50% load for overweight treatment.
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KEYWORD
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Obesity, Diet, Swimming, Exercise, Adiposity, Glycemic level
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