Application of velocity loss thresholds during free-weight resistance training: Responses and reproducibility of perceptual,metabolic, and neuromuscular outcomes     

Jonathon Weakley  Shaun McLaren  Carlos Ramirez-Lopez  Amador García-Ramos  Nick Dalton-Barron  Harry Banyard 《Journal of sports sciences》2020,38(5):477-485

ABSTRACT

The aim of this study was to investigate the differences and long-term reliability in perceptual, metabolic, and neuromuscular responses to velocity loss resistance training protocols. Using a repeated, counterbalanced, crossover design, twelve team-sport athletes completed 5-sets of barbell back-squats at a load corresponding to a mean concentric velocity of ~0.70 m·s^?1. On different days, repetitions were performed until a 10%, 20% or 30% velocity loss was attained, with outcome measures collected after each set. Sessions were repeated after four-weeks. There were substantial between-protocol differences in post-set differential ratings of perceived exertion (dRPE, i.e., breathlessness and leg muscles, AU) and blood lactate concentration (B[La], mmol·L^?1), such that 30%>20%>10% by small to large magnitudes. Differences in post-set countermovement jump (CMJ) variables were small for most variables, such that 30%<20%<10%. Standard deviations representing four-week variability of post-set responses to each protocol were: dRPE, 8–11; B[La], 0.8–1.0; CMJ height, 1.6–2.0; CMJ PPO, 1.0–1.8; CMJ PCV, 0.04–0.06; CMJ 100ms-Impulse, 5.7–11.9. Velocity loss thresholds control the magnitude of perceptual, metabolic, and neuromuscular responses to resistance training. For practitioners wanting to reliably prescribe training that can induce a given perceptual, metabolic, or neuromuscular response, it is strongly advised that velocity-based thresholds are implemented.  相似文献   

Christianity as public religion: a justification for using a Christian sociological approach for studying the social scientific aspects of sport     

Tom Gibbons  Nick J. Watson  Mark Mierzwinski 《Sport in Society》2019,22(2):209-223

Abstract

The vast majority of social scientific studies of sport have been secular in nature and/or have tended to ignore the importance of studying the religious aspects of sport. In light of this, a recent study has sought to encourage sociologists of sport not to divorce the ‘religious’ and the ‘sacred’ from their studies. In response to this call, the goal of the current essay is to explore how the conception of Christianity as ‘public religion’ can be utilized to help justify the use of a Christian sociological approach for studying the social scientific aspects of sport. After making a case for Christianity as public religion, we conclude that many of the sociological issues inherent in modern sport are an indirect result of its increasing secularization and argue that this justifies the need for a Christian sociological approach. We encourage researchers to use the Bible, the tools of Christian theology and sociological concepts together, so to inform analyses of modern sport from a Christian perspective.  相似文献   

The mark of criminality: Rhetoric,race, and gangsta rap in the war-on-crime era     

Nick J. Sciullo 《Critical Studies in Media Communication》2018,35(4):392-394

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Foreword     

Nick Petford 《Support for Learning》2014,29(2):96-97

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The effectiveness of information and communication technology on the learning of written English for 5- to 16-year-olds   总被引：1，自引：0，他引：1  

Richard Andrews  Allison Freeman  Dan Hou  Nick McGuinn  Alison Robinson  Judy Zhu 《British journal of educational technology : journal of the Council for Educational Technology》2007,38(2):325-336

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Stereotype reduction through humor and accommodation during imagined communication with older adults     

Chien-Yu Chen  Nick Joyce  Jake Harwood  Jun Xiang 《Communication monographs》2017,84(1):94-109

Ageism can generate conflict and harm well-being. Our paper integrates the Aging Stereotypes in Interaction model with intergroup contact theory to predict how communicative elements mediate the effect of intergenerational contact on warmth and competence stereotypes of older adults as a group. Students (N?=?288) were randomly assigned to imagine having a conversation with an older adult in one of six experimentally manipulated contact conditions: a competent/incompetent older woman, a sociable/unsociable older woman, or a moral/immoral older woman. Participants’ stereotypes of older adults were affected by the characteristics of their communication partner, and this effect was mediated by specific communication behaviors imagined by the participant for two of the three trait dimensions. For perceptions of competence, overaccommodation was the key mediator. For perceptions of sociability, the key mediator was humorous communication. These mediators represent an expansion in how we understand not just the outcomes of intergroup contact, but also the communicative mechanisms through which it occurs.  相似文献   

The learning credit card: A tool for managing personal development*     

Nick Rushby  John Twining  Nick Twining  Thomas Devitt 《British journal of educational technology : journal of the Council for Educational Technology》2008,39(2):336-364

This is the report of a five month study, undertaken by Sundridge Park Training Technologies in association with Guildford Educational Services to assess the potential of smart card technology to support learning and the management of learning. The study had two strands—the state of the art of the technology and its potential for supporting, delivering and managing learning. In addition to a study of the literature and extensive discussions with people using smart cards, potential users of smart card and visionaries, the project team developed two illustrative systems using cards to store personal data relating to education and training. The term ‘smart card’ is often used loosely to describe three different types of card, each of which is similar in general shape and size to a traditional credit card. These are: memory cards, laser cards—and true smart cards incorporating a processor and memory. This study has been concerned with memory cards and smart cards. The focus for smart card applications has been predominantly financial: there are relatively few applications in education or training. A notable exception is the large scale project at the University of Bologna which uses smart cards to manage the progress and achievements of a large number of students in the Department of Electronics. The two illustrative systems provided valuable experience of using memory cards and smart cards in quasi‐real education and training applications. They highlighted the problems of limited memory capacities and confirmed the high level of user acceptance reported by other trials. We can expect considerable advances in the technology of both memory cards and smart cards over the next months and years. The memory capacities of both types of cards will increase many‐fold and the unit costs will fall as large quantities of cards are produced for financial applications. Education and training applications will benefit from this expanding market. The major surprise from the study was the level of interest in the work and the enthusiasm expressed by almost all of those who came to hear of it. The general level of awareness of smart card technology was found to be low. However, the requirement for a system which will enable individuals to manage and own their learning on an extended timescale was generally recognised. Some of the possible applications for smart cards and memory cards in education and training had emerged before the official start of the study and it is clear that the technology is potentially pervasive. The project team and those consulted identified a wide range of possible applications both in education and in training. These focussed on assessment, personal course planning and management, identification of relevant learning opportunities, and the ownership of learning. It was felt that, over the next few years, smart cards are very likely to be in common use as credit cards for financial applications. Therefore, their use for education and training should be planned now. The recommendations from the study are that: More detailed studies are needed to find out how smart cards and memory cards could be used by different organisations in a fully operational system; Standards should be established for smart card applications in education and training, similar to those governing financial applications; Applications should be developed after the standards have been established. To be convincing, these should take a case study approach with small pilot studies in a variety of contexts and must follow real needs rather than attempt to drive them; The case studies would then form the basis for a campaign to increase awareness of smart cards and their potential for education and training, together with a programme for building an infrastructure to support the proposed systems. The public sector should fund the task of developing standards and providing interfaces with existing educational systems and projects to demonstrate the feasibility of various applications. Since educational standards have a European dimension, the European Community may be a source of support for work in the area of standards. At the same time, private sector funding should be sought for skill development and career development systems in industry and in education. The Training Agency itself should consider the application of smart card technology to the control and management of the Youth Training Scheme (YTS).  相似文献   

The influence of the school in the decision to participate in learning post‐16     

Nick Foskett  Martin Dyke  Felix Maringe 《British Educational Research Journal》2008,34(1):37-61

The primary aim of this study, funded by the Department for Education and Skills, was to identify the nature and influence of school‐based factors in the choices of young people about their post‐16 education, training and career pathways. The study also contributes to the wider understanding of ‘choice’, and identifies implications for the development of careers education and guidance and decision‐making awareness amongst pupils and students in schools. It also further enhances the modelling of pupil decision making in education and training markets, and in labour markets. The research is based on a series of qualitative interviews in 24 schools across nine local education authorities. Focus groups were undertaken with young people in years 10, 11 and 12. Interviews were also conducted with head teachers, heads of year and heads of careers. A postal survey of parents was also undertaken. Four key school‐based factors were found to have a very strong influence in the choices and decisions of young people about their post‐16 education, training and career pathways. These were: whether the school had a sixth form or not; the characteristics of school leadership, ethos and values; the socio‐economic status (SES) of the schools' catchment; and the organisation and delivery of careers education and guidance at the school level. In the main, high SES schools see themselves as developing pupils for academic university careers, while low SES schools maintain a rather stronger commitment to vocational pathways. The academic ethos of schools offers a very powerful influence on post‐16 choices and decisions of pupils. The usual interventions put in place to influence choices and decisions appear to have greater impact in schools with a less robust academic vision.  相似文献   

Work Process Knowledge, Curriculum Control and the Work-based Route to Vocational Qualifications   总被引：3，自引：0，他引：3  

Nick Boreham 《British Journal of Educational Studies》2002,50(2):225-237

Recent policy statements reveal that the future work-based route to vocational qualifications in the UK will include 'taught knowledge and understanding' as well as competence acquired in the workplace. The intention is to bring National/Scottish Vocational Qualifications into line with the German dual system of apprenticeship, which involves much more academic study. This article seeks to clarify the UK policy by exploring recent developments in the German dual system, and considering two key questions: how to define knowledge and understanding in this context, and how to distribute control of the curriculum between the stakeholders.  相似文献   

Derek Jarman: An Art Educator for Our Times?     

Nick Stanley 《The International Journal of Art & Design Education》2007,26(1):108-118

Derek Jarman found his life's purpose in art. His significance for art educators today is his combination of low technology film‐making and his painterly vision. He provides a model for us today, in his incorporation of images from daily life into a series of vivid tableaux. Jarman created a huge database of images from which he constantly drew for both paintings and films. He was always writing down ideas and making drawings into a series of sketchbooks which provided him with the raw materials for his artistic products. Jarman's significance for this publication was that he united all aspects of his life into an aesthetic adventure. This included finding a signature as a gay artist who was also a passionate gardener. He also repudiated a literal or narrative structure and any idea of plot. This makes his work both difficult but rewarding.  相似文献