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Master's Dissertation
DOI
https://doi.org/10.11606/D.82.2006.tde-20072006-153642
Document
Author
Full name
Dean Azevedo Rodrigues de Oliveira
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2006
Supervisor
Committee
Shimano, Antonio Carlos (President)
Carvalho Filho, Guaracy
Sverzut, Ana Claudia Mattiello
Title in Portuguese
Influência do treinamento físico na resposta trófica do músculo sóleo e na resistência mecânica das tíbias de ratos
Keywords in Portuguese
esteira rolante
hipertrofia
propriedades mecânicas
sóleo
tíbia
treinamento físico
Abstract in Portuguese
Frente ao treinamento físico, o organismo está sujeito a alterações anatomofisiológicas em vários sistemas, especialmente o sistema músculo-esquelético. Pretendeu-se, descrever alterações no trofismo muscular do sóleo e das propriedades mecânicas das tíbias de ratos submetidos a treinamento físico em esteira rolante (TFER), bem como analisar estas relações com o tempo de treinamento. Utilizou-se de 40 ratos (20 treinados e 20 controles) da linhagem Wistar, treinados 60 min/dia, 5 dias por semana, durante 3, 6, 9 e 12 semanas, totalizando 8 grupos de 5 ratos cada. Os grupos controles foram submetidos aos mesmos procedimentos experimentais, com exceção da aplicação do treinamento físico. Após o sacrifício, o tecido muscular foi retirado unilateralmente, congelado e, posteriormente foram corados pela técnica de Hematoxilina e Eosina, para análise das áreas das fibras musculares. Para análise das propriedades mecânicas, 80 tíbias (direita e esquerda) foram medidas e pesadas e, posteriormente, realizados os ensaios de flexão em três pontos para obtenção das propriedades de carga máxima e rigidez. Após aplicação do teste ANOVA, quando comparados os grupos treinados (T) e não treinados (NT) encontramos que o TFER altera, significantemente (p < 0,05), e de maneira crescente com o tempo de treinamento, as características de hipertrofia muscular e as propriedades mecânicas de flexão das tíbias dos ratos treinados
Title in English
Physical training of the soleus muscle and mechanical properties of the rat tibia
Keywords in English
hypertrophy
mechanical properties
physical training
rolling mat
soleus
tibia
Abstract in English
Facing the physical training, the agency is subject of alterations anatomophysiological in several systems, specially the muscle and bone system. It is intended, to describe alterations of muscle trophy of the soleus and of the mechanical properties of the rat tibia submitted to physical training in rolling mat (PTRM), as well as like analyze these relations with the time of training. It was used 40 rats (20 training and 20 controls) of the lineage Wistar, coached 60 min/day, 5 days/week, during 3, 6, 9 and 12 weeks, totalling up to 8 groups of 5 each rats. The groups controls were submitted to the same experimental procedures, with exception of the application of the physical training. After the sacrifice, the muscle weave was withdrawn unilaterally, frozen and, subsequently were paintting by the technical one of Hematoxilina and Eosina, for analysis of the areas of the muscle fibers. For the analysis of the mechanical properties, 80 tibia (right and left) were measured and weighted and, subsequently, carried out the attempt of inflection in three points bending to obtain of the properties of maximum load and module of Young. After application of the test ANOVA, when compared the groups training (T) and controls (C) we found that the PTRM alters, significantly (p < 0,05), and going up with the time of training, the characteristics of muscle hypertrophy and the mechanical properties of inflection of the tibia of the rats training
 
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Publishing Date
2006-07-27
 
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