Neuro-mechanical adjustments to shod versus barefoot treadmill runs in the acute and delayed stretch-shortening cycle recovery phases     

Cedric Morio  Violaine Sevrez  Pascale Chavet  Eric Berton  Caroline Nicol 《Journal of sports sciences》2016,34(8):738-745

In habitually shod recreational runners, we studied the combined influence of footwear and stretch-shortening cycle (SSC) fatigue on treadmill running pattern, paying special attention to neuro-mechanical adjustments in the acute and 2-day delayed recovery periods. The SSC exercise consisted of a series of 25 sub-maximal rebounds on a sledge apparatus repeated until exhaustion. The acute and delayed functional fatigue effects were quantified in a maximal drop jump test. The neuro-mechanical adjustments to fatigue were examined during two submaximal treadmill run tests of 3 min performed either barefoot or with shoes on. Surface electromyographic (EMG) activities, tibial accelerations and kinematics of the right lower limb were recorded during the first and last 15 s of each run. The main result was that neuro-mechanical differences between the shod and barefoot running patterns, classically reported in the absence of fatigue, persisted in the fatigued state. However, in the delayed recovery phase, rearfoot eversion was found to significantly increase in the shod condition. This specific footwear effect is considered as a potential risk factor of overuse injuries in longer runs. Therefore, specific care should be addressed in the delayed recovery phase of SSC fatigue and the use of motion control shoes could be of interest.  相似文献   

The influence of shoe drop on the kinematics and kinetics of children tennis players     

Alexis Herbaut  Pascale Chavet  Maxime Roux  Nils Guéguen  Christophe Gillet  Franck Barbier 《European Journal of Sport Science》2016,16(8):1121-1129

This study investigated the immediate effects of reducing the shoe drop (i.e. the difference between the heel and the forefoot height) on the kinematics and kinetics of the lower extremities of children tennis players performing a tennis-specific movement. Thirteen children tennis players performed a series of simulated open stance forehands wearing 3 pairs of shoes differing only in the drop: 0 (D0), 6 (D6) and the control condition of 12?mm (D12). Two embedded forceplates and a motion capture system were used to analyse the ground reaction forces and ankle and knee joint angles and moments of the leading lower limb. In D6 compared with D12, the peak impact force was reduced by 24% (p?=?.004) and the ankle was less dorsiflexed at foot strike (p?=?.037). In D0 compared with D12, the peak impact force was reduced by 17% (p?=?.049), the ankle was less dorsiflexed at foot strike (p?=?.045) and the knee was more flexed at foot strike (p?=?.007). In addition, 4 out of 13 participants (31%) presented a forefoot strike pattern for some of the trials in D0. No difference was observed across shoe conditions for the peak knee extensor moment (p?=?.658) or the peak ankle plantarflexor moment (p?=?.071). The results provide preliminary data supporting the hypothesis that for children tennis players, using a 6-mm lower shoe drop might reduce heel impact forces and thus limit potentially impact-related injuries.  相似文献   

Disentangling the relationship between working memory and language: The roles of short-term storage and cognitive control     

Pascale Marguerite Josiane Engel de Abreu  Susan Elizabeth Gathercole  Romain Martin 《Learning and individual differences》2011,21(5):569-574

This study investigates the relationship between working memory and language in young children growing up in a multilingual environment. The aim is to explore whether mechanisms of short-term storage and cognitive control hold similar relations to emerging language skills and to investigate if potential links are mediated by related cognitive abilities. A sample of 119 Luxembourgish 6-year-olds completed several assessments of working memory (complex and simple span), native and foreign vocabulary, syntax, reading, rhyme awareness, and fluid intelligence. Results showed that short-term storage and cognitive control manifested differential links with developing language abilities: Whereas verbal short-term storage was specifically linked to vocabulary; cognitive control manifested unique and robust links with syntax and early reading development. The study suggests that in young children the working memory system is composed of separate but interacting components corresponding to short-term storage and cognitive control that can be distinguished by the roles they play in supporting language acquisition.  相似文献   

Can nightmares become sweet dreams? Peer review in the wake of a systemwide administrative mandate     

Deborah M. Langsam  Philip L. Dubois 《Innovative Higher Education》1996,20(4):249-259

In 1993, the Board of Governors of the University of North Carolina at Charlotte enacted a mandate requiring peer evaluation of teaching, including class-room observation, for non-tenured faculty. Participants involved in the AAHE Peer Review Project feared the mandate would taint efforts to introduce faculty to collegial approaches to the peer review of teaching. As reported here, negative fallout from the mandate has been balanced to some degree by the positive effects of having a required evaluation system. Departmental culture shaped peer review activities undertaken in the first year and may have ultimately overshadowed effects of the mandate on the project.Deborah M. Langsam is an Associate Professor of Biology at the University of North Carolina in Charlotte. A mycologist specializing in aquatic fungi, Langsam earned her baccalaureate degree from Brooklyn College, M.A. from the City University of New York, and her Ph.D. in botany from Duke University. She is also a winner of the NCNB Award for Teaching Excellence, serves as the UNCC campus project coordinator for the AAHE Peer Review of Teaching project, and has led numerous workshops on teaching portfolios. Philip L. Dubois is Provost and Vice Chancellor for Academic Affairs at the University of North Carolina at Charlotte. A political scientist, Dubois earned his baccalaureate degree at the University of California at Davis and his M.A. and Ph.D. degrees at the University of Wisconsin, Madison. He assumed his current position at UNCC in 1991, after having served fifteen years in faculty and administrative posts at University of California-Davis.  相似文献   

Time-dependent fluctuations of retention performance in an aversively motivated task     

Pascale Gisquet-Verrier  Tatiana Alexinsky 《Learning & behavior》1988,16(1):58-66

The main aim of this series of experiments was to clearly establish the spontaneous development of retention performance following partial aversively motivated training. Experiment 1 indicated that following 15 training trials of a brightness discrimination in a Y-maze, performance spontaneously and transitorily deteriorated 1 h following inital training (Kamin effect) before it improved 8 to 14 days following training (long-term spontaneous improvement). Both of these fluctuations preceded the more durable deterioration that corresponds to long-term forgetting. Experiment 2 replicated the basic findings of the first experiment, always with a brightness discrimination, but using an avoidance paradigm. These results demonstrated the multiphasic nature of the retention curve and emphasized the reliability of retention performance fluctuations.  相似文献   

Proofreading by students: implications of executive and non-executive components of working memory in the detection of phonological,orthographical, and grammatical errors     

Larigauderie  Pascale  Guignouard  Coralie  Olive  Thierry 《Reading and writing》2020,33(4):1015-1036

Reading and Writing - The present research studied the role of the non-executive and executive components of working memory in the detection of phonological, orthographical, and grammatical...  相似文献   

Understanding OECD representations of teachers and teaching: a visual discourse analysis of covers in OECD documents     

Izhak Berkovich  Pascale Benoliel 《Globalisation, Societies & Education》2019,17(2):132-146

OECD dominance in the international educational policy discourse in the developed regions of the world, particularly in promoting teaching policy, has been long acknowledged. While many works have explored the organisation’s verbal discourse, no study has considered exploring its visual discourse. To close that gap, we employed a visual discourse analysis on the covers of OECD documents pertaining to teachers and teaching (i.e., TALIS and ISTP). The analysis found that OECD’s covers drew on two discourses, a conservative discourse and a liberal diversity discourse. However, the latter was entangled with constructions which serve to maintain a conservative order.  相似文献   

Sustainable development as a driver for educational innovation in engineering school: the case of UniLaSalle     

Fatma Fourati-Jamoussi  Michel J.F. Dubois  Maxime Agnès  Valérie Leroux  Loïc Sauvée 《European Journal of Engineering Education》2019,44(4):570-588

ABSTRACT

The potential relationships between innovation and sustainability processes, in engineering education, is neither obvious nor simple, especially when innovation, generally speaking, is promoted regardless of sustainability. We used UniLaSalle (In January 2016, the ‘Institut Polytechnique LaSalle Beauvais’, a French engineering school, merged with another higher education engineering school (ESITPA, Rouen). Both campuses (Beauvais and Rouen) have a common name: UniLaSalle (www.unilasalle.fr). As the interview began during 2015, this article only describes the situation of the Beauvais campus.) as a ‘living Lab’ to identify and analyse the reasons for the integration of innovation and Sustainable Development (SD) in training programmes. The aim is to explore, in a perception and reflective approach, how SD can be understood as a driver for specific innovation attitudes in higher education engineering school. This paper adopts an empirical approach based on a qualitative study, using NVivo 9 software to analyse non-numerical data. Our research suggests that SD can be a structural driver for innovation if it is integrated in a transdisciplinarity approach and not just as a discipline per se.  相似文献   

Organisational perspectives on globalisation in education     

Izhak Berkovich  Pascale Benoliel 《Globalisation, Societies & Education》2021,19(1):2-6

ABSTRACT

This special issue showcases the Gordian knot between organisations and globalisation in education and exposes the organisational infrastructure of globalisation in education. Overarching themes include education serving the globalisation of organisational models, globalisation as re-organising educational organisations, the organising of international bodies operating in education, and global-oriented organisations and organising in education. The paper concludes with a call for utilising organisational perspectives in the exploration of globalisation in education.  相似文献   

Internality,academic status and intergroup attributions     

Nicole Dubois  Jean -Léon Beauvois 《European Journal of Psychology of Education - EJPE》1996,11(3):329-341

Some pupils categorized as good vs. bad pupils were given a questionnaire of attributions, thus allowing the calculation of internality scores. They were also requested to answer as would a good (vs. a bad) pupil do. Finally, they also had to predict in which way a good (vs. a bad) pupil would answer on their behalf. The results were explained within the frame of two different theoretical fields: the theory of the norm of internality and the biases in terms of intergroup attributions. These results show that 1) the attribution of internal explanations relates to an attribution of value that takes place within the intergroup evaluation, 2) whereas the ultimate attribution error can clearly be observed among the good pupils, the bad pupils exhibit an attributive pattern that is favorable to the good pupils.  相似文献