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Efeito do exercício físico resistido e/ou do decanoato de nandrolona sobre aspectos sociais e reprodutivos, bem como sobre a resistência mecânica do fêmur, em ratos machos

Authors: Agati, Leandro Barile;

Efeito do exercício físico resistido e/ou do decanoato de nandrolona sobre aspectos sociais e reprodutivos, bem como sobre a resistência mecânica do fêmur, em ratos machos

Abstract

Considering the importance of physical exercise in the prevention of several health diseases on adults and elderly, searching the best way of exercise, the sought for ergogenics has increased nowadays. On this sense, ergogenics have been pointed as one of the most utilized substances on the treatment of aging, prevention of heart attack and osteoporosis. However, little is known about the best method to these treatments. Therefore, the aim of the present study was to determine the effects produced by the high intensity resistance exercise and/or treatment with nandrolone (anabolic steroid) on social and reproductive aspects, as well as, the bone mechanical resistance on adult male rats. The rats were divided into six experimental groups: Untrained/Vehicle, Untrained/Anabolic, Trained/Vehicle, Trained/Anabolic, Pyramid/Vehicle and Pyramid Anabolic. The exercise protocol was performed three times a week, one day a part, during 8 weeks. The treatment with the anabolic steroid was realized within the eight weeks and at the end of the treatment/training, the animals were euthanized and the following analyses were assessed: femur mechanical resistance, creatine kinase (CK) activity, sperm count and seminal parameters, hormonal levels and the aggressive behavior. For the aggressive behavior the animals were isolated, and only the treatment was performed. The CK activity was the only measurement assessed during the 8 weeks. The groups submitted to the exercise were subdivided on the sixth week to accomplish another exercise protocol, known as pyramid training. This training protocol associates increasing working loads with low repetitions during the program, in which we tested the fatigue resistance, extremely important to evaluate the damage on bone strength, as well as other alterations. Through this analysis we could observe that the rats treated with decanoate... (Complete abstract click electronic access below)

Considerando-se a importância do exercício físico para a prevenção de problemas na saúde de indivíduos adultos e idosos associada à procura pela melhor forma de se exercitar, tem aumentado a busca por ergogênicos nos dias de hoje. Assim, os ergogênicos têm sido apontados como as principais substâncias utilizadas em tratamentos para o retardo da velhice e prevenção de doenças como enfarte e osteoporose. Porém pouco se sabe sobre o melhor método para estes tratamentos. Logo, o objetivo do presente trabalho foi determinar os efeitos produzidos pelo treinamento resistido de alta intensidade e/ou tratamento com decanoato de nandrolona (anabolizante esteróide) sobre os aspectos sociais e reprodutivos, e à resistência mecânica do fêmur em ratos machos. Os ratos foram divididos em seis grupos experimentais: controle não treinado, controle treinado, anabolizante treinado, anabolizante não treinado, controle treinado pirâmide e anabolizante treinado pirâmide. O programa de exercício foi realizado três dias por semana, durante 8 semanas. Concomitantemente, o tratamento com o anabolizante esteróide - decanoato de nandrolona - foi realizado duas vezes por semana e ao final deste treinamento os ratos foram submetidos a um teste de agressividade (comportamento social) e a seguir eutanasiados. Foram realizadas análises ósseas (cabeça do fêmur), atividade da creatina kinase (CK), contagem espermática e viabilidade dos espermatozóides ao final das 8 semanas, com exceção a mensuração da CK que foi realizada ao longo do treinamento pirâmide. Os grupos submetidos ao exercício foram subdivididos para a realização de um protocolo de treinamento chamado “pirâmide”. Neste treinamento, os ratos foram submetidos a uma série de repetições máximas, na qual foi testada sua resistência à fadiga, de grande importância para avaliarmos o dano ou fortalecimento ósseo, assim...

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Pós-graduação em Ciências Biológicas (Farmacologia) - IBB

Country
Brazil
Keywords

Esteróides anabólicos, Pharmacology, Anabolic steroids, Farmacologia, Ossos, Exercícios físicos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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