Popular education in solidarity economy     

José Francisco de Melo Neto  Francisco Xavier Pereira da Costa 《International Journal of Lifelong Education》2015,34(1):47-58

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A complex web of education policy borrowing and transfer: Education for All and the Plan for the Development of Education in Brazil     

Xavier Rambla 《比较教育学》2014,50(4):417-432

This article analyses how Education for All policies were transferred to Brazil and Latin America by means of ambitious educational strategic plans such as the Plan for the Development of Education and the National Education Plans – promoted by the Federal Government of Brazil, and the Latin American Educational Goals – promoted by the Organisation of Ibero American States (i.e. the international commonwealth of countries which belonged to the old Hispanic and Portuguese empires). The analysis highlights how a complex web of educational policy transfer and borrowing was fashioned by means of concatenate environmental, cognitive and relational mechanisms.  相似文献   

Analysis of muscular activity and dynamic response of the lower limb adding vibration to cycling     

Marcela Munera  William Bertucci  Sebastien Duc  Xavier Chiementin 《Journal of sports sciences》2018,36(13):1465-1475

Vibration in cycling has been proved to have undesirable effects over health, comfort and performance of the rider. In this study, 15 participants performed eight 6-min sub-maximal pedalling exercises at a constant power output (150W) and pedalling cadence (80 RPM) being exposed to vibration at different frequencies (20, 30, 40, 50, 60, 70 Hz) or without vibration. Oxygen uptake (VO2), heart rate (HR), surface EMG activity of seven lower limb muscles (GMax, RF, BF, VM, GAS, SOL and TA) and 3-dimentional accelerations at ankle, knee and hip were measured during the exercises. To analyse the dynamic response, the influence of the pedalling movement was taken into account. The results show that there was not significant influence of vibrations on HR and VO2 during this pedalling exercise. However, muscular activity presents a significant increase with the presence of vibration that is influenced by the frequency, but this increase was very low (< 1%). Also, the dynamic response shows an influence of the frequency as well as an influence of the different parts of the pedalling cycle. Those results help to explain the effects of vibration on the human body and the influence of the rider/bike interaction in those effects.  相似文献