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981.
Kitson Smith 《Higher Education Quarterly》1972,26(2):164-168
982.
983.
Roger Homan 《比较教育学》1977,13(3):243-248
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Based on a detailed reading of the six preceding papers, in conjunction with a reflection on the socio-political forces shaping lifestyles in the UK at the turn of the millennium, we come to four interrelated conclusions. First, sport and exercise science needs to move beyond evidence-based practice to evidence-based policy. Second, sport and exercise science needs to make health-enhancing physical activity a political issue at both national and local level. Third, transport, not health policy, may be the key to promoting health-enhancing physical activity. And, fourth, young people deserve our special attention. In reaching these four interrelated conclusions, we attempt both to shape evidence based policy and future research agendas in exercise science. To achieve an international perspective, we also present a short case note from Australia. 相似文献
987.
It is well known that sport and exercise play an important role in stimulating site-specific bone mineral density (BMD). However, what is less well understood is how these benefits dissipate throughout the body. Hence, the aim of the present study was to compare the BMD (recorded at nine sites throughout the skeleton) of 106 male athletes (from nine sports) with that of 15 male non-exercising age-matched controls. Given that BMD is known to increase with body mass and peak with age, multivariate and univariate analyses of covariance were performed to compare the BMD of the nine sports groups with controls (at all sites) using body mass and age as covariates. Our results confirmed a greater adjusted BMD in the arms of the upper-body athletes, the right arm of racket players and the legs of runners (compared with controls), supporting the site-specific nature (i.e. specific to the externally loaded site) of the bone remodelling response (all P <0.01). However, evidence that bone mass acquisition is not just site-specific comes from the results of the rugby players, strength athletes, triathletes and racket players. The rugby players' adjusted BMD was the greatest of all sports groups and greater than controls at all nine sites (all P <0.01), with differences ranging from 8% greater in the left arm to 21% in the lumbar spine. Similarly, the strength athletes' adjusted BMD was superior to that of controls at all sites (P <0.05) except the legs. The adjusted BMD of the triathletes was significantly greater than that of the controls in both the arms and the legs as well as the thoracic and lumbar spine. The racket players not only had significantly greater right arm BMD compared with the controls but also a greater BMD of the lumbar spine, the pelvis and legs. In contrast, the low-strain, low-impact activities of keep-fit, cycling and rowing failed to benefit BMD compared with the age-matched controls. These results suggest that sporting activities involving high impact, physical contact and/or rotational forces or strains are likely to convey significant benefits not only to the loaded sites, but also to other unloaded peripheral and axial sites throughout the skeleton. 相似文献
988.
Liebermann DG Katz L Hughes MD Bartlett RM McClements J Franks IM 《Journal of sports sciences》2002,20(10):755-769
This paper overviews the diverse information technologies that are used to provide athletes with relevant feedback. Examples taken from various sports are used to illustrate selected applications of technology-based feedback. Several feedback systems are discussed, including vision, audition and proprioception. Each technology described here is based on the assumption that feedback would eventually enhance skill acquisition and sport performance and, as such, its usefulness to athletes and coaches in training is critically evaluated. 相似文献
989.
990.
K H Smith 《Medical reference services quarterly》2001,20(3):13-21
Health InfoNet of Jefferson County is a new collaborative consumer health information service of the Jefferson County public libraries and the UAB Lister Hill Library of the Health Sciences. Working with the input and cooperation of local voluntary health agencies, health care professionals and other health information providers, the intent is to improve the efficiency with which consumers might access such information while avoiding duplication of effort on the part of the information providers. Various considerations in InfoNet's mission include providing service not only to established library and Internet users, but also those on the other side of the "digital divide" as well as those with low literacy skills or English as a second language. The role of health care professionals in guiding their patients to the best consumer health information resources is emphasized. 相似文献