297 resultados para Exercício contínuo


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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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Pós-graduação em Fisiopatologia em Clínica Médica - FMB

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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

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Pós-graduação em Ciências da Motricidade - IBRC

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Baseada em vasta bibliografia e em entrevistas com professores da rede municipal de ensino de Rancharia, região de Presidente Prudente (SP), a autora propõe possibilidades para o período inicial da docência, que compreende os anos durante os quais os professores precisam fazer a transição da condição de estudantes para a de docentes. Trata-se de um momento, segundo ela, crucial na carreira, repleto de tensões e aprendizagens e dotado de características próprias. É o período em que se constituem as principais marcas da identidade e do estilo que vão identificar o professor dali em diante. No entanto, as previsíveis dificuldades, expectativas e necessidades dos futuros professores costumam ser levadas em conta nesse período. Embora sejam comuns a todos, tais demandas deverão mais tarde se revestir de especificidades tidas como difíceis de prever. De acordo com a pesquisadora, uma solução estaria na planificação de programas de formação contínua que contemplem as necessidades formativas de professores novatos. Para a autora, isso só seria possível se uma compreensão melhor do contexto específico de trabalho desses profissionais e das dificuldades a eles impostas por esse contexto subsidiasse a planificação.

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BACKGROUND AND OBJECTIVES: Low back pain is a common disease in several industrialized countries, being a public health and incapacity problem, especially among economically active people. This study aimed at grouping and updating knowledge about motor control exercises for low back pain. CONTENTS: Cochrane, Medline (Pubmed) and PEDro databases were queried in the period from 2000 to 2010, using the keywords low back pain, stabilization, multifidus, transversus, exercise and training. Six randomized clinical trials were found, which have shown that such exercises may be indicated for acute low back pain to prevent recurrences, in addition to their indication to decrease chronic low back pain and incapacity. CONCLUSION: Motor control exercises do not improve pain and incapacity in acute cases, but are effective for chronic cases to relieve pain, decrease incapacities and improve quality of life.

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The exercise-induced collapse (EIC) is a hereditary disease characterized by muscle weakness, impaired locomotion and collapse after intense exercise. This autossomic recessive disorder affects mainly Labrador Retriever presenting the mutation c.767G>T in the dynamin 1 (DNM1) gene. The objective of this study is to report the first case of exercise-induced collapse in Labrador Retriever in Brazil. The molecular test detected the specific genetic mutation and confirmed the clinical diagnosis in a Labrador Retriever with clinical history of weakness and collapse after exercise. It is important to include this disease as part of the differential diagnosis of neuromuscular diseases in Labrador Retriever and use the molecular test to guide matings.

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The present study aimed to evaluate cardiac and lipoperoxidation markers in horses subjected to low intensity and long duration (TLD) exercise test, before and after vitamin E supplementation. For this purpose, 10 horses were used, subjecting them to the first TLD with a workload based on individual maximal oxygen uptake (VO2max). Then, horses received vitamin E (dl-alpha-tocopherol) during 59 days at a daily oral dose of 1,000IU, and thereafter they performed a second TLD with the same protocol as the first. Blood samples were collected to determine plasma malondialdehyde (MDA) as an index of lipoperoxidation, serum cardiac troponin I (cTnI) and creatine kinase MB isoenzyme (CK-MB) as cardiac markers. As a result of the exercise, there was no significant increase in MDA or cTnI, but serum CK-MB increased suggesting myocardial stress. The supplementation was able to minimize reactive oxygen species production, as evidenced by lower concentrations of MDA at all times evaluated, but it didn't cause protective effect on the myocardium. It was concluded that the low intensity and long duration exercise promoted light myocardial stress in horses and vitamin E supplementation reduced lipoperoxidation.