Performance determinants of fixed gear cycling during criteriums     

Nicolas Babault  Maxime Poisson  Guiseppe Cimadoro  Carole Cometti  Christos Païzis 《European Journal of Sport Science》2018,18(9):1199-1207

Nowadays, fixed gear competitions on outdoor circuits such as criteriums are regularly organized worldwide. To date, no study has investigated this alternative form of cycling. The purpose of the present study was to examine fixed gear performance indexes and to characterize physiological determinants of fixed gear cyclists. This study was carried out in two parts. Part 1 (n?=?36) examined correlations between performance indexes obtained during a real fixed gear criterium (time trial, fastest laps, averaged lap time during races, fatigue indexes) and during a sprint track time trial. Part 2 (n?=?9) examined correlations between the recorded performance indexes and some aerobic and anaerobic performance outputs (VO_2max, maximal aerobic power, knee extensor and knee flexor maximal voluntary torque, vertical jump height and performance during a modified Wingate test). Results from Part 1 indicated significant correlations between fixed gear final performance (i.e. average lap time during the finals) and single lap time (time trial, fastest lap during races and sprint track time trial). In addition, results from Part 2 revealed significant correlations between fixed gear performance and aerobic indicators (VO_2max and maximal aerobic power). However, no significant relationship was obtained between fixed gear cycling and anaerobic qualities such as strength. Similarly to traditional cycling disciplines, we concluded that fixed gear cycling is mainly limited by aerobic capacity, particularly criteriums final performance. However, specific skills including technical competency should be considered.  相似文献   

Academic careers for graduate students: a strong attractor in a changed environment     

Brigitte Gemme  Yves Gingras 《Higher Education》2012,63(6):667-683

Professorship has traditionally been the single most valued career path for graduates of PhD programs. Policies now encourage graduate students to directly or indirectly engage with non-academic organizations to encourage the next generation of researchers to explore alternative careers, including opportunities in industry and government. In this article, we use data from a survey of Quebec science and engineering graduate students to examine the impact of their participation in university-industry-government research partnerships on their professional preferences. We assess the degree to which exposure to non-academic realities through different training arrangements relates to career preferences, and how these preferences evolve over time. We show that the proportion of students who did not change their preferred career path over time is high, indicating that by the time students engage in a research-training program they already, for the most part, know what career they want to pursue. However, and although students with close ties to non-academic partners may initially be more interested in non-academic career paths, over time all categories of students become more attracted to academic careers. We conclude that faculty positions continue to dominate the professional dreams of fledgling researchers, a power of attraction that increases as students advance in their program, even when it involves industrial contacts.  相似文献   

Travelogue of an Almohad Sherd: from Twelfth-Century al-Andalus to Fourteenth-Century Flanders*     

Maxime Poulain  Wim De Clercq 《Al-Masaq: Islam & the Medieval Mediterranean》2019,31(1):68-94

Excavations in Sint-Lievens-Houtem (Flanders, Belgium), an important medieval pilgrimage village, uncovered a fourteenth-century refuse pit. This feature contained a fragment of a rare Andalusī moulded lustreware vessel, dating to the mid or second half of the twelfth century. The reconstruction of the vessel’s itinerary aids in understanding how an object travelled from Muslim Spain to Catholic Flanders and why it ended up under Sint-Lievens-Houtem’s marketplace, about two centuries after its production. Traditional explanations of Crusades or trade seem unlikely or do not account for the entire trajectory of the vessel. These narratives are therefore extended with the incorporation of the vessel in Sint-Lievens-Houtem’s church treasury. This biographical approach offers a valuable framework to interpret the increasing number of Islamic finds across Europe, the way by which they travelled north and the contexts in which they functioned.  相似文献