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排序方式: 共有422条查询结果,搜索用时 15 毫秒
81.
Lewis J. James Emma J. Stevenson Penny L. S. Rumbold Carl J. Hulston 《European Journal of Sport Science》2019,19(1):40-48
AbstractPost-exercise recovery is a multi-facetted process that will vary depending on the nature of the exercise, the time between exercise sessions and the goals of the exerciser. From a nutritional perspective, the main considerations are: (1) optimisation of muscle protein turnover; (2) glycogen resynthesis; (3) rehydration; (4) management of muscle soreness; (5) appropriate management of energy balance. Milk is approximately isotonic (osmolality of 280–290?mosmol/kg), and the mixture of high quality protein, carbohydrate, water and micronutrients (particularly sodium) make it uniquely suitable as a post-exercise recovery drink in many exercise scenarios. Research has shown that ingestion of milk post-exercise has the potential to beneficially impact both acute recovery and chronic training adaptation. Milk augments post-exercise muscle protein synthesis and rehydration, can contribute to post-exercise glycogen resynthesis, and attenuates post-exercise muscle soreness/function losses. For these aspects of recovery, milk is at least comparable and often out performs most commercially available recovery drinks, but is available at a fraction of the cost, making it a cheap and easy option to facilitate post-exercise recovery. Milk ingestion post-exercise has also been shown to attenuate subsequent energy intake and may lead to more favourable body composition changes with exercise training. This means that those exercising for weight management purposes might be able to beneficially influence post-exercise recovery, whilst maintaining the energy deficit created by exercise. 相似文献
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In 2012, an academic health sciences library serving a large research university and medical center introduced synchronous online training for a diverse group of users, including clinicians, researchers, faculty, and distance students. Participants in these “Express Training” classes completed two surveys to assess their experiences. Survey results indicated classes were well received but revealed some areas for improvement. Included are issues that should be considered when implementing online library instruction to meet the diverse needs of academic health sciences library users. Given the popularity of online training among on-campus and distance users, it will be continued and expanded. 相似文献
86.
Sacrificial girls: a case study of the impact of streaming and setting on gender reform 总被引:1,自引:0,他引:1
Emma Charlton Martin Mills Wayne Martino Lori Beckett 《British Educational Research Journal》2007,33(4):459-478
This article reports on research funded by the Australian Research Council to investigate school responses to gender equity. It addresses the efforts of a disadvantaged school to tackle what they perceived to be gender inequalities, but in the process of constructing a top‐set and bottom‐set/stream class they are developing new forms of old inequalities and new forms of inequalities. This research indicates that despite popular assertions that girls' education has become the priority of schools and education systems, girls are being further disadvantaged through attempts to implement market strategies coupled with gender reform agendas grounded in liberal notions of equity and relying on unsophisticated notions of affirmative action. In addition, this study highlights the extent to which a media‐driven debate about boys' education has influenced the constitution of boys as the ‘new disadvantaged’ with the capacity to determine the nature of gender reform agendas and programmes in schools. 相似文献
87.
John Evans Brian Davies Emma Rich Laura DePian 《British Educational Research Journal》2013,39(2):320-337
Drawing on research investigating the impact of health imperatives around obesity, diet and exercise on the actions of teachers and pupils in schools, this paper offers a reflexive account of the relationships between the ‘noise’ of obesity discourse in the public domain, policies forged to tackle health issues and the realities of teaching in schools. Our analyses suggest that intersections of bio‐policies, body pedagogies and human agents forge assemblages of meaning that frame and regulate but cannot determine either teachers' or young people's lives. Teachers and pupils experience the capriciousness of policies as they flow through specific school contexts and intersect with ‘local’ institutional cultures, expectations and interests. We suggest that Basil Bernstein's concepts and poststructural social theory prove useful when addressing how the aforementioned processes are emplaced, enacted and embodied. 相似文献
88.
Respiratory muscle fatigue has been reported following short bouts of high-intensity exercise, and prolonged, moderate-intensity exercise, as evidenced by decrements in inspiratory and expiratory mouth pressures. However, links to functionally relevant outcomes such as breathing effort have been lacking. The present study examined dyspnoea and leg fatigue during a treadmill marathon in nine experienced runners. Maximal inspiratory and expiratory pressure, peak inspiratory and expiratory flow, forced vital capacity, and forced expiratory volume in one second were assessed before, immediately after, and four and 24 hours after a marathon. During the run, leg effort was rated higher than respiratory effort from 18 through 42 km (P < 0.05). Immediately after the marathon, there were significant decreases in maximal inspiratory pressure and peak inspiratory flow (from 118 +/- 20 cm H(2)O and 6.3 +/- 1.4 litres x s(-1) to 100 +/- 22 cm H(2)O and 4.9 +/- 1.5 litres x s(-1) respectively; P < 0.01), while expiratory function remained unchanged. Leg maximum voluntary contraction force was significantly lower post-marathon. Breathing effort correlated significantly with leg fatigue (r = 0.69), but not inspiratory muscle fatigue. Our results confirm that prolonged moderate-intensity exercise induces inspiratory muscle fatigue. Furthermore, they suggest that the relative intensity of inspiratory muscle work during exercise makes some contribution to leg fatigue. 相似文献
89.
Emma Renold 《Gender and education》2000,12(3):309-326
Foregrounding the primary school as a key cultural arena for the production and reproduction of sexuality and sexual identities, this article goes some way to addressing what are absent from many sociological portrayals of young children and schooling. Drawing on data derived from an ethnographic exploration into children's gender and sexual identities during their final year of primary school, the article examines how dominant notions of heterosexuality underscore much of children's identity work and peer relationships. The article further illustrates how boys and girls are each subject to the pressures of compulsory heterosexuality, where to be a 'normal' girl or boy involves the projection of a coherent and abiding heterosexual self. The implications of recognising children's sexual cultures and the pressures to conform to a heterosexual culture are discussed briefly in the concluding section. 相似文献
90.
Emma Blakey Danielle Matthews Lucy Cragg Jessica Buck David Cameron Ben Higgins Lisa Pepper Ellen Ridley Emma Sullivan Daniel J. Carroll 《Child development》2020,91(5):1594-1614
The socioeconomic attainment gap in mathematics starts early and increases over time. This study aimed to examine why this gap exists. Four-year-olds from diverse backgrounds were randomly allocated to a brief intervention designed to improve executive functions (N = 87) or to an active control group (N = 88). The study was preregistered and followed CONSORT guidelines. Executive functions and mathematical skills were measured at baseline, 1 week, 3 months, 6 months, and 1 year posttraining. Executive functions mediated the relation between socioeconomic status and mathematical skills. Children improved over training, but this did not transfer to untrained executive functions or mathematics. Executive functions may explain socioeconomic attainment gaps, but cognitive training directly targeting executive functions is not an effective way to narrow this gap. 相似文献