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Barbosa T.M.,Polytechnic Institute of Braganca | Barbosa T.M.,Research Center in Sport | Bragada J.A.,Polytechnic Institute of Braganca | Bragada J.A.,Research Center in Sport | And 8 more authors.
Journal of Science and Medicine in Sport | Year: 2010

The biophysical determinants related to swimming performance are one of the most attractive topics within swimming science. The aim of this paper was to do an update of the "state of art" about the interplay between performance, energetic and biomechanics in competitive swimming. Throughout the manuscript some recent highlights are described: (i) the relationship between swimmer's segmental kinematics (segmental velocities, stroke length, stroke frequency, stroke index and coordination index) and his center of mass kinematics (swimming velocity and speed fluctuation); (ii) the relationships between energetic (energy expenditure and energy cost) and swimmer's kinematics; and (iii) the prediction of swimming performance derived from above mentioned parameters. © 2009 Sports Medicine Australia.


Marques A.I.,University of Porto | Santos L.,University of Minho | Soares P.,Escola Secundaria Jose Estevao | Santos R.,University of Porto | And 4 more authors.
International Journal of Behavioral Nutrition and Physical Activity | Year: 2011

Background: There has been a growing concern in designing physical activity (PA) programmes for elderly people, since evidence suggests that such health promotion interventions may reduce the deleterious effects of the ageing process. Complete programme evaluations are a necessary prerequisite to continuous quality improvements. Being able to refine, adapt and create tools that are suited to the realities and contexts of PA programmes for the elderly in order to support its continuous improvement is, therefore, crucial. Thus, the aim of this study was to develop a self-assessment tool for PA programmes for the elderly.Methods: A 3-round Delphi process was conducted via the Internet with 43 national experts in PA for the elderly, management and delivery of PA programmes for the elderly, sports management, quality management and gerontology, asking experts to identify the propositions that they considered relevant for inclusion in the self-assessment tool. Experts reviewed a list of proposed statements, based on the criteria and sub-criteria from the European Foundation for Quality Management Excellence Model (EFQM) and PA guidelines for older adults and rated each proposition from 1 to 8 (disagree to agree) and modified and/or added propositions. Propositions receiving either bottom or top scores of greater than 70% were considered to have achieved consensus to drop or retain, respectively.Results: In round 1, of the 196 originally-proposed statements (best practice principles), the experts modified 41, added 1 and achieved consensus on 93. In round 2, a total of 104 propositions were presented, of which experts modified 39 and achieved consensus on 53. In the last round, of 51 proposed statements, the experts achieved consensus on 19. After 3 rounds of rating, experts had not achieved consensus on 32 propositions. The resulting tool consisted of 165 statements that assess nine management areas involved in the development of PA programmes for the elderly.Conclusion: Based on experts' opinions, a self-assessment tool was found in order to access quality of PA programmes for the elderly. Information obtained with evaluations would be useful to organizations seeking to improve their services, customer satisfaction and, consequently, adherence to PA programmes, targeting the ageing population. © 2011 Marques et al; licensee BioMed Central Ltd.


Azevedo R.,Higher Institute of Maia | Martins C.,Higher Institute of Maia | Teixeira J.C.,University of Minho | Barroso M.,University of Minho
Safety Science | Year: 2014

Construction is widely known as having high rates of fall accidents. In spite of constant technological advances and increasing process automation, manual material handling still takes place in many construction tasks. These two factors yielded the following research question: "May manual material handling contribute to fall accidents?". The aim of the research reported in this article is to evaluate the likelihood of same-level falls while performing tasks involving manual material handling during obstacle clearance in various handling positions.A laboratory-based study was performed through the simulation of manual material handling tasks using a 4. m long treadmill. Eight construction workers participated in this study. Participants were tested in three different load positions holding different load weights (10. kg, 18. kg, and 25. kg) while walking on the treadmill.The results demonstrated that the obstacle clearance pattern changes due to the load weight, however, no influence was observed on the load handling strategy. This variation of pattern increases the probability of tripping and falling. Recommendations were made in order to prevent falls in construction sites while performing manual material handling tasks. © 2013 Elsevier Ltd.


Marques A.I.,University of Porto | Soares P.,Jose Estevao High School | Soares-Miranda L.,University of Porto | Moreira C.,University of Porto | And 7 more authors.
BMC Research Notes | Year: 2011

Abstract. Background: In Portugal, there are several physical activity (PA) programmes for elderly people developed by the local government. The importance of these programmes has been increasing since the evidence has shown that this type of health promotion interventions may reduce the deleterious effects of the ageing process. However, no study has already identified the general characteristics of these programmes nor if they use any scheme to assess the quality of the service provided. A widely-used scheme is the EFQM Excellence Model, which will be in the core of our present work. Thus, the main aims of this preliminary study were 1) to identify the general characteristics of the PA programmes developed by the Portuguese Local Public Administration 2) to determine the extent of implementation of quality initiatives in these programmes. Methods. Data were collected by an on-line questionnaire sent to all Continental Municipalities (n = 278). Categorical data were expressed as absolute counts and percentages. Continuous data were expressed as the mean and SD. An open-ended question was analysed using qualitative content analysis with QSR NVivo software. Associations between categorical variables were tested by the use of contingency tables and the calculation of chi-square tests. Significance level was set at p 0.05. Results: Results showed: i) a total of 125 PA programmes were identified in the 18 districts of the Portugal mainland; ii) the main goal of the majority (95.2%) was the participants' health promotion; iii) different characteristics of the programmes were found according to different regions of the country; iv) certain characteristics of the programmes were associated to the existence of other features; v) only one PA programme developed quality initiatives. Conclusions: In conclusion, although there are many PA programmes for elderly people spread throughout the country, aiming at improving the health of participants, the overwhelming majority does not adopt quality control initiatives. Considering that the quality of a service increases customer satisfaction, the continuous quality improvement of the PA programmes for elderly people should therefore be implemented since they can be useful and critical for elderly satisfaction and adherence. © 2011 Marques et al; licensee BioMed Central Ltd.


Pinheiro M.C.,Higher Institute of Maia | Pimenta N.,Higher Institute of Maia | Pimenta N.,Loughborough University | Resende R.,Higher Institute of Maia | Malcolm D.,Loughborough University
Sport, Education and Society | Year: 2014

The growing competitiveness of modern sport means that children, from very early ages, are increasingly submitted to intensive training programmes. These programmes are problematic for young athletes not only because their developing bodies are particularly susceptible to different kinds of injuries, but because athletes are also particularly vulnerable to experiences of different kinds of abuses. Using data collected through semi-structured interviews this study examines the various kinds of abuse that former Portuguese female gymnasts underwent during their sporting careers. Interviewees were asked to reflect on their past experiences and discuss aspects of the gymnastics subculture. Weight control, training/competing with injuries and corporal punishment emerged as key themes. The study therefore shows that the physical and psychological abuse of young athletes occurs even beyond the confines of elite professional sport, and thus that a broader spectrum of athletes learn to consider these forms of exploitation and abuse as normal. © 2012 © 2012 Taylor & Francis.

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