SUMMARY
Background. Due to the deleterious effects of obesity on muscle tissue and the search for tools to reverse these losses, it is important to understand the effect of physical exercises on the muscle structure of obese individuals. This study aimed to analyze the effect of whole-body vibration (WBV) on the histomorphological parameters of the anterior tibial muscle using the monosodium l-glutamate (MSG) obesity model.
Methods. MSG-obese rats that were exposed to WBV on a vibrating platform with a frequency of 60 Hz, the amplitude of 2 mm, three times/week, 10 min/day, for eight weeks (from postnatal day (PN) 80 to PN136). The histomorphology of the anterior tibial muscle was evaluated.
Results. When performing a WBV exercise, the animals showed altered structural responses in the MSG animals, such as reduced muscle mass, increased connective tissue, and nuclear activity. The WBV reduced the extracellular matrix and the nuclear activity in the MSG animals, showing efficiency in the protocol.
Conclusions. Even with the aggressive character of the MSG model, the WBV exercise was able to induce repair to the muscle tissue of these animals, thus being a safe protocol for use in similar conditions.
Whole-Body Vibration Promotes Beneficial Changes on the Anterior Tibial Muscle Histomorphometry of Hypothalamic Obese Rats
M. F. Zazula, C. Bergmann Kirsch, J. L. Theodoro, C. de Toni Boaro, D. F. Saraiva, S. Gonçalves de Oliveira, B. Zanardini de Andrade, A. L. Peretti, K. Naliwaiko, G. R. Flor Bertolini, R. M. Costa, L. de Fátima Chasko Ribeiro
Original Article, 657-665
Keywords: Exercise therapy, extracellular matrix., monosodium glutamate, skeletal muscle, whole body vibration,
Table of Content: Vol. 11 (No.4) 2021 October/December
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Whole-Body Vibration Promotes Beneficial Changes on the Anterior Tibial Muscle Histomorphometry of Hypothalamic Obese Rats
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