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81.
Kristen J. Koltun Nicole C. A. Strock Emily A. Southmayd Andrew P. Oneglia Nancy I. Williams Mary Jane De Souza 《Journal of sports sciences》2013,31(21):2433-2442
ABSTRACTThe Female Athlete Triad Coalition (Triad Coalition) and Relative Energy Deficiency in Sport (RED-S) consensus statements each include risk assessment tools to guide athlete eligibility decisions. This study examined how these tools categorized the same set of individuals to an overall risk factor score and qualitatively compared athlete eligibility decisions resulting from each tool. Exercising women (n = 166) with complete screening/baseline datasets from multiple previously conducted studies were assessed. Data used for risk assessment included: anthropometric measurements, dual-energy x-ray absorptiometry scans, exercise and health status surveys, and two disordered eating questionnaires (Three Factor Eating Questionnaire and Eating Disorder Inventory). Individuals were scored on each tool and subsequently categorized as either fully cleared, provisionally cleared, or restricted from play. Based on the Triad Coalition tool, 25.3% of subjects were classified as fully cleared, 62.0% as provisionally cleared, and 12.7% as restricted from play. Based on the RED-S tool, 71.7% of subjects were classified as fully cleared, 18.7% as provisionally cleared, and 9.6% as restricted from play. The Triad Coalition and RED-S tools resulted in different clearance decisions (p < 0.001), with the Triad Coalition tool recommending increased surveillance of a greater number of athletes. 相似文献
82.
《Sport Management Review》2020,23(5):898-912
Quality of adjustment to athletic career retirement is dependent, in part, on athletic identity salience, or the degree to which one defines themself in the athlete role. Researchers, however, have seldom explored how athlete identities are shaped and reshaped by organizations and managers prior to retirement. Consequently, the purpose of this study was to examine identity regulation in the North American field of men's professional ice hockey. Results from the study indicate that managers regulated a bipartite athletic identity, defined by performance excellence and beneficence; a largely self-directed, non-sporting alternative; and a nascent merger between the two. Further, regulation was found to limit individual development and, in turn, preparation for athletic career retirement. In an effort to assist athletes in developing identities that are more conducive to retirement and individual long-term well-being, the author suggests that organizations and managers in professional ice hockey challenge and reform extant practices and modes of regulation. 相似文献
83.
Chase M. Straw Christine O. Samson Gerald M. Henry Cathleen N. Brown 《European Journal of Sport Science》2018,18(6):893-902
Natural turfgrass sports fields exhibit within-field variations due to climatic conditions, field construction, field management, and foot traffic patterns from field usage. Variations within a field could influence the playing surface predictability and require athletes to make abrupt or frequent adjustments that lead to increased ground-derived injury occurrence. This study introduces a new methodology aimed at evaluating the potential relationship between within-field variations of turfgrass sports field properties and ground-derived athlete injuries. Collegiate Club Sport athletes self-reported ground-derived injuries over two years. Soil moisture, turfgrass quality, surface hardness, and turfgrass shear strength were quantified from their two home fields. Hot spot analysis identified significantly high (hot spots) and low (cold spots) values within the fields. Injury locations were compared to hot spot maps each month. Binomial proportion tests determined if there were differences between observed injury proportions and expected proportions. Twenty-three ground-derived injuries were reported overall. The observed injury proportions occurring in turfgrass quality cold spots [0.52 (95% CI 0.29–0.76)] and soil moisture hot spots [0.43 (95% CI 0.22–0.66)] was significantly higher than expected [0.20 (p?p?相似文献
84.
对优秀运动员实施"长学制"文化教育的几点思考 总被引：2，自引：0，他引：2
史国生 《南京体育学院学报(社会科学版)》2004,18(6):12-14
就优秀运动员为什么要实行"长学制"文化教育、如何实行优秀运动员 "长学制"文化教育,以及实行优秀运动员"长学制"文化教育的管理体制和运行机制等问题进行了剖析,并提出了相对应的对策措施. 相似文献
85.
郭洋波 《哈尔滨体育学院学报》2010,28(4)
竞技运动员文化教育水平与运动成绩是辩证统一的关系,我国竞技运动员文化教育水平偏低,是影响我国竞技体育发展的因素之一。建议各级部门应加强对竞技运动员文化教育的领导,提高教练员的文化素质;借鉴国外先进经验;竞教结合,全面提高竞技运动员文化教育水平。从改革和重构竞技运动员文化教育体系入手,转变和更新观念,完善和健全法规,探索和建立一个符合中国国情的竞技运动员文化教育科学体系。 相似文献
86.
对参加2007赛季的中国中超、中甲共28家俱乐部所有注册的881名足球职业联赛中国籍球员与日本J1J、2共28家俱乐部有注册的892名足球职业联赛日本籍球员的出生日期资料进行统计,并运用X2方法对其出生的年份与月份的分布特征进行了统计分析。结果表明:我国职业球员出生年份与月份分布的不均衡性要明显高于日本;"相对年龄"优势在我国青少年足球运动选材中的影响要远大于日本。由此对我国足球运动员选材提出质疑和相应的建议,旨在加强我国青少年足球运动员选材的科学性。 相似文献
87.
我国女运动员赛场内外的辉煌成就为提升国家形象做出了积极的贡献,她们不仅创造了赛场上的辉煌,还铸就了新女性性别角色,为世界女性的发展提供了参考的依据。而女运动员媒介形象的积极呈现,不仅可以有效地促进女性身体和精神的解放,还可以强化国家身份的认同,对内增强国家凝聚力,对外提升国家形象。中国女运动员健康的媒介呈现,有利于彰显中国社会的文明发展,展示中国人的新形象,提升中国的国际话语权。 相似文献
88.
《Sport Management Review》2017,20(3):261-272
A celebrity athlete’s transgression damages the public’s trust in that celebrity. However, little is known about whether demonstrating an outstanding performance after the transgression mitigates the negative consequence of that transgression. It also remains unexplored whether engaging in reparation can restore consumer trust and generate forgiveness. Taking a longitudinal approach, we found that post-transgression performance slightly increased competence-based trust but had no impact on increasing integrity-based trust and forgiveness. However, post-transgression reparation efforts enhanced both integrity-based trust and forgiveness over time. Findings also suggest that performance has little impact on generating forgiveness, countering the popular notion that winning takes care of everything. 相似文献
89.
Ricardo de la Vega Sara Alberti Roberto Ruíz-Barquín István Soós 《European Journal of Sport Science》2017,17(8):1084-1089
Placebo and nocebo effects occur in response to subjective expectations and their subsequent neural actions. Research shows that information shapes expectations that, consequently, influence people’s behaviour. In this study, we examined the effects of a fictive and inert green colour energy drink provided for three groups (n?=?20/group) with different information. The first group was led to expect that the drink augments running performance (positive information), the second group was led to expect that the drink may or may not improve performance (partial-positive information), while the third group was told that earlier research could not demonstrate that the drink improves performance (neutral/control). At baseline, the three groups did not differ in their 200-m sprint performance (p?>?.05). One week later, 20-min immediately after ingesting the drink, all participants again ran 200?m. The positive information group increased its performance by 2.41?s, which was statistically significant (p?<?.001) and also perceived its sprint-time shorter (p?<?.05) than the other two groups. A better performance (0.97?s) that approached but did not reach statistical significance was also noted in the partial-positive information group, and a lesser change (0.72?s) that was statistically not significant was noted in the neutral information control group. These results reveal that drinking an inert liquid, primed with positive information, changes both the actual and the self-perceived time on a 200-m sprint. The current findings also suggest that the level of certainty of the information might be linked to the magnitude of change in performance. 相似文献
90.
Stephanie A. Kovalchik Michael K. Bane Machar Reid 《Journal of sports sciences》2017,35(19):1904-1910
Official rankings are the most common measure of success in professional women’s tennis. Despite their importance for earning potential and tournament seeding, little is known about ranking trajectories of female players and their influence on career success. Our objective was to conduct a comprehensive study of the career progression of elite female tennis talent. The study examined the ranking trajectories of the top 250 female professionals between 1990 and 2015. Using regression modelling of yearly peak rankings, we found a strong association between the shape of the ranking trajectory and the highest career ranking earned. Players with the highest career peak ranking were the youngest when first ranked. For example, top 10 players were first ranked at age 15.5 years (99% CI = 14.8–15.9), 1.2 years (99% CI = 0.8–1.5) earlier than top 51–100 players. Top 10 players were also ranked in the top 100 longer than other players, holding a top 100 ranking until a mean age of 29.0 years (99% CI = 27.8–30.3) compared with age 24.4 years (99% CI = 23.7–25.2) for top 51–100 players. Ranking trajectories were more distinct with respect to player age than years from first ranking. The present study’s findings will be instructive for players, coaches, and administrators in setting goals and assessing athlete development in women’s tennis. 相似文献