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51.
Giuseppe Coratella Stefano Longo Emiliano Cè Eloisa Limonta Susanna Rampichini Angela Valentina Bisconti 《Research quarterly for exercise and sport》2018,89(3):347-353
Purpose: The present study aimed to investigate whether or not eccentric-only training induced different sex-related adaptations in vastus lateralis muscle architecture and knee extensors strength. Methods: Thirteen healthy women and 13 healthy men were recruited. Vastus lateralis pennation angle, fascicle length, and muscle thickness, as well as knee extensors eccentric, isometric, and concentric peak torque and one-repetition maximum (1RM) were measured. Both women and men underwent a unilateral iso-load knee-extension eccentric-only training with 120% of the concentric 1RM, consisting of 4 sets × 10 repetitions twice a week for a total of 8 weeks. Results: Pennation angle increased in women (+ 14%, 95% CI [10, 17], effect size [ES] = 1.54) but not in men (+ 5%, 95% CI [?1, 11], ES = 0.28), while fascicle length increased in both women (+ 7%, 95% CI [4, 10], ES = 1.02) and men (+ 12%, 95% CI [8, 16], ES = 1.82) and muscle thickness increased in women (+ 13%, 95% CI [8, 18], ES = 1.11) and men (+ 11%, 95% CI [7, 15], ES = 0.89). In both women and men, eccentric (18%, 95% CI [11, 25], ES = 0.96, and 16%, 95% CI [9, 22], ES = 0.82, respectively), isometric (17%, 95% CI [11, 23], ES = 0.53, and 17%, 95% CI [10, 24], ES = 0.62), concentric (12%, 95% CI [7, 16], ES = 0.49, and 9%, 95% CI [5, 13], ES = 0.42) peak torque and 1RM (10%, 95% CI [6, 14], ES = 0.53, and 10%, 95% CI [5, 15], ES = 0.50) similarly increased after the intervention. Conclusions: This study showed that the adaptations in strength are not sex-dependent, but the increases in pennation angle only in women suggest that the changes in muscle architecture may depend on sex. 相似文献
52.
Wieslaw Krajewski Stefano Miani Umberto Viaro 《Journal of The Franklin Institute》2005,342(6):674-687
The paper considers the problem of designing PI controllers for industrial processes approximated by a first-order time-delayed model. The suggested frequency-domain approach is based on a normalized open-loop transfer function and makes use of the loci of constant stability margins and other performance indices in the parameter space. In this way, it is possible to evaluate the effects of uncertainties in the process parameters and, thus, control system robustness. Some examples show how the procedure operates. 相似文献
53.
An international comparison of sectoral knowledge bases: persistence and integration in the pharmaceutical industry 总被引:1,自引:0,他引:1
This paper builds upon and extends existing studies of scientific and technological specialisation by proposing an analytical framework to compare sectoral knowledge bases across countries. It develops the concepts of knowledge persistence and knowledge integration as the relevant dimensions along which knowledge bases can be compared. Persistence is studied by analysing the evolution of specialisation over time. It hints at the cumulative, path dependent nature of learning processes. Integration is studied by analysing the evolution of specialisation across different typologies of research. It hints at the complex, non-linear interdependencies that link the scientific and technological domains. On the strength of an original database encompassing 630,000 peer-reviewed papers published between 1989 and 1996 in 11 chemistry and pharmacology-related fields across three types of research (i.e. basic, applied and development), it is argued that countries with high degrees of both persistence and integration (e.g. the US in pharmacology) are the most likely sources of useful research results for EU firms’ innovative efforts in the pharmaceutical sector. Also, some doubts are cast on the existence of a European paradox in pharmaceuticals. 相似文献
54.
Tertiary Education and Management - The transformation of higher education systems under the pressure of new needs required by the “society of knowledge” in France and Italy has had a... 相似文献
55.
This study examines the organizational knowledge creation processes in two highly virtual teams involved in new product development projects in the automotive industry. Using Nonaka's model of knowledge creation, we explore how the virtualization of knowledge-based processes, i.e. the intensive exploitation of information and communication technologies (ICTs), has led to new forms of knowledge creation at both the individual and organizational levels. In contrast to previous studies that identify knowledge codification as the main contribution of ICTs, this study provides detailed micro-level evidence about the ability of virtual technologies to support the transfer and the creation of new knowledge – both explicit and tacit – and offers some implications for scholars and practitioners. 相似文献
56.
We present a study of the meanings of average and variation displayed by paediatric nurses. We trace how these meanings shape, and are shaped by, nurses' interpretations of trends in patient and population data. We suggest a theoretical framework for making sense of the data which compares and contrasts nurses' epistemology with that of official mathematics. Finally, we outline some provisional didactical implications.This revised version was published online in September 2005 with corrections to the Cover Date. 相似文献
57.
Stefano Petrungaro 《Cultural and Social History》2016,13(4):503-520
The article investigates the visual dimension of popular protests in Habsburg Croatia at the end of the nineteenth and beginning of the twentieth century, reconstructing the history of a precise pattern of popular protest, i.e. anti-Hungarian unrests. Furthermore, the article explores the relationships that peasant masses established with some key national symbols, namely the Hungarian and Croatian flag, showing the multiple and contested meaning assigned to them by the members of the elite and the peasants. Second, the article shows how popular reception of these visual symbols changed during the examined period. The main issues addressed are therefore the mass nationalization and politicization of rural population in these regions, raising some general questions related to the symbolic language of social conflict. 相似文献
58.
Mattia Cattaneo Hugo Horta Paolo Malighetti Michele Meoli Stefano Paleari 《Higher Education Quarterly》2019,73(1):85-99
Due to significant government cuts to Higher Education funding in Southern European systems, their already underfunded universities were forced to increasingly compete for students as sources of additional revenue. Concurrently, families and students that continued to afford participation in Higher Education became more selective when choosing a university, realising the riskier investment that Higher Education participation had become. Through a competing destinations model and relying on all Italian private and public universities, this study finds that the competition forces characterising universities’ attractiveness over the last decade have changed since the financial crisis of 2008. In a context of lower demand for Higher Education, the competition for students grew and universities in close proximity were better prepared to face the new challenges, leading to the growth of Higher Education clusters. 相似文献
59.
This article explores teacher training by the alternation of classroom work and work analysis using an approach based on a social conception of meaning and action. The advantage of this approach is that it allows the development of professional activity in preservice teachers (PTs) to be assessed by tracking how the reflective tools acquired in training evolve in work and/or work analysis situations. The concepts of ‘meaning’ and ‘expectation’ are helpful in discussing the empirical data from a research program designed to evaluate the potential for PTs’ professional development offered by the alternating work/analysis programs of French University Institutes of Teacher Training. The main conclusions concern the need to organize PTs’ professional experiences within a training network so that PTs are not left on their own to face the diverse and complex situations of daily professional exercise. The effective procedures are those that allow PTs to construct concrete and circumstance‐based expectations that the professional rules they have learned are still operational. These expectations help PTs to efficiently calibrate and interpret the meaning of their work experience, while also allowing them to prepare to act differently. 相似文献
60.