2012
DOI: 10.1007/s00223-012-9593-6
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The Effect of Level and Downhill Running on Cortical and Trabecular Bone in Growing Rats

Abstract: Mechanical loading is essential for bone development and prevention of age-related bone diseases. Muscular contractions during physical activity and the generated strain magnitude are primary determinants for the osteogenic response. However, the adaptation capacity of bones, especially due to different muscle contraction types, is largely unknown. In the present study we examined the effect of different running modes characterized by different muscle contraction types and loading patterns on the morphological… Show more

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Cited by 23 publications
(43 citation statements)
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“…Despite this, muscular contraction is rarely used experimentally to load bones under closely controlled conditions [4][5][6][7][8]. Typically, animals are either anaesthetized, and the bones are loaded in daily sessions using an external mechanical device, or they are subjected to exercise regimes [9][10][11]. These regimes have reported mild osteogenic responses that are highly variable between individuals, probably reflecting intraspecific variations of morphology, physiology and aptitude.…”
Section: Introductionmentioning
confidence: 99%
“…Despite this, muscular contraction is rarely used experimentally to load bones under closely controlled conditions [4][5][6][7][8]. Typically, animals are either anaesthetized, and the bones are loaded in daily sessions using an external mechanical device, or they are subjected to exercise regimes [9][10][11]. These regimes have reported mild osteogenic responses that are highly variable between individuals, probably reflecting intraspecific variations of morphology, physiology and aptitude.…”
Section: Introductionmentioning
confidence: 99%
“…É bem estabelecido que o estímulo mecânico induz efeitos benéficos sobre a microarquitetura do tecido ósseo resultando, consequentemente, na manutenção da função e massa ósseas o que indica, portanto, que o osso apresenta respostas significantes no que tange à utilização do exercício físico como estratégia terapêutica em condições que acometem esse tecido (Hamann et al, 2012). Em contrapartida, a ausência e/ou a baixa incidência em relação ao uso do estímulo mecânico proporciona um aumento na reabsorção óssea ocasionada pela sinalização de vias que ativam a osteoclastogênese (Aguirre et al, 2006;Komori, 2013).…”
Section: Discussionunclassified
“…O protocolo de treinamento físico adotado foi adaptado do estudo realizado por Hamann e seus colaboradores (Hamann et al, 2012). Nessa ocasião, os autores tinham como objetivo comparar os efeitos de um protocolo de treinamento físico em declive em relação à um protocolo sem inclinação sobre os parâmetros morfológicos, estruturais e biomecânicos do fêmur em modelo experimental.…”
Section: Discussionunclassified
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