侧切和急停起跳对篮球运动员前交叉韧带运动生物力学特征的影响     

张美珍  刘卉  李翰君  于冰 《北京体育大学学报》2015,38(4):65-70

目的:前交叉韧带断裂是体育运动中最常见的、严重的、治疗康复费高的膝关节运动损伤之一。研究目的是确定侧切和急停起跳动作对前交叉韧带运动生物力学特征的影响。方法:对男女各25名年龄在18~22岁的篮球运动员完成侧切和急停起跳动作时的下肢三维运动学、动力学和表面肌电特征进行采集和处理。运用2×2混合设计的双因素方差分析(ANOVA)对特征参数进行数理统计。结果:动作和性别对下肢水平向后地面反作用力、膝关节外翻力矩、膝关节内旋力矩、腘绳肌群肌电和压力中心到踝关节中心的水平距离具有显著性交互作用。结论与建议:所有篮球运动员完成侧切比急停起跳时膝关节伸膝力矩增加,这些差异使侧切动作发生ACL损伤的可能性更大。另外,仅男性篮球运动员进行侧切动作时更倾向于采用足跟着地方式、外翻力矩以及腘绳肌肌电更大。与男性相比,女性篮球运动员可能更容易导致ACL负荷增大。此外,在完成急停起跳动作中,男性篮球运动员比女性倾向于足尖着地且水平向后地面反作用力小。研究结果提示了在制定预防ACL损伤训练方案时,应根据不同动作和性别针对性地设计训练方式。  相似文献   

Hybrid Journals: Ensuring Systematic and Standard Discoverability of the Latest Open Access Articles     

Santiago Chumbe  Brian Kelly  Roddy MacLeod 《期刊图书馆员》2015,68(1-4):143-155

An important current challenge for research information providers is ensuring the automated discovery of Open Access (OA) content in hybrid journals. We found no evidence of discovery services that are able to systematically identify the crucially important free full-text availability of OA articles regardless of where and how such articles have been published (i.e., in fully OA journals or in hybrid journals). A solution is important because hybrid journals are proliferating and consequently the chances of missing OA articles is real and is happening. Nearly all of the major publishers now provide such journals in order to take advantage of recent changes in research funder requirements, and to be competitive in the new OA business model. By working with a group of scholarly publisher partners and by using standard metadata elements that publishers are already familiar with, we show a systematic and standardized manner to identify OA at the article level. Our proposal is to embed OA-related elements in the metadata freely exposed by publishers for aggregators and discovery services. For example, in the Table of Content (TOC) Really Simple Syndication feeds the publishers use to announce new journal issues and content. Based on the initial results obtained, we discuss the capabilities of our solution, and evaluate the impact produced by our application in the systematic discoverability of OA content from the participating hybrid journals, using an implementation done with the freely available journal current awareness service—JournalTOCs.  相似文献   

贯通生死的终极之典--《生命观视阈中的藏族丧葬文化研究：对金沙江上游三岩峡谷的田野调查》述评     

郭志合 《康定民族师范高等专科学校学报》2015,(3)

丧葬是“一种永远的文化”,是文化人类学研究的重要课题之一。对于丧葬文化的研究及其成果,堪称贯通生死的终极之典。《生命观视阈中的藏族丧葬文化研究：对金沙江上游三岩峡谷的田野调查》一书以“生”的视阈理解、诠释藏族社会的丧葬文化,具有藏族丧葬民族志研究的开拓意义,是一部贯通生死研究的终极之典,也为我们架设了一座认知与理解他者文化变迁的虹桥。  相似文献   

《汉书·地理志》颜师古注引《尚书·禹贡》研究     

钟云瑞 《晋城职业技术学院学报》2015,(1):88-91

《汉书·地理志》是《汉书》十志之一,颜师古注解《汉书·地理志》因袭采用《尚书·禹贡》,多从孔安国传,形式多样,不拘一体,或完全采用一字不改,或引用之而复加阐释,或因袭之而加以更改,反映出颜师古深厚的音韵、训诂小学功底。颜师古注《汉书》,只取孔传,弃马融、郑玄之说而不用。  相似文献   

“性侵儿童”犯罪的危害及防范对策     

薛俊强 《安阳工学院学报》2015,(3):42-45

性侵儿童犯罪是一种极为恶劣的犯罪行为,近年来,性侵儿童案件呈现高发特点。性侵儿童会对受害儿童个人及家庭造成极大伤害,进而对社会产生一系列负面影响。从受害儿童的生理、心理以及以受害家庭伤害程度为切入点,分析性侵儿童案件发生的原因,能够间接了解侵害者行为人与被侵害者两方面的特点,从而找出有效防范性侵儿童的办法,为多方面控制此类案件的发生制定相应的对策,以期对我国防范性侵儿童犯罪有所裨益。  相似文献   

‘Pervy role-play and such’: girls' experiences of sexual messaging online     

Silja Nielsen  Sanna Spisak 《Sex education》2015,15(5):472-485

Sexting is one of the recurring causes of concern in public discussion of young people and network media. This paper builds on findings from a survey with 1269 Finnish female respondents aged 11–18 conducted using a popular online community for girls on their experiences of and views on online messages concerning sex and sexuality. Sixty-five per cent of respondents had received messages related to sex from either adults or minors while 20% had also sent such messages themselves. The paper asks how girls experience and make sense of sexual messaging and what motivates them to engage in such interactions. Specific attention is paid to the distinction between unwanted and wanted messages. While messages from unknown people identified as adult were often discussed as unpleasant or ‘creepy’, sexual messaging, role-play, cybersex experiments and discussions related to sex among peers were defined as fun and pleasurable. Girls display notable resilience and describe coping strategies connected to unwanted messaging but equally frame sexual messaging and role-play as issues of choice motivated by curiosity and pleasure. The paper addresses sexual messaging as a form of sexual play and learning, and argues for the importance of contextual analysis in understanding its forms and potentialities.  相似文献   

语义翻译和交际翻译视角下《红楼梦》中诗歌英译探析     

李瑞超  郭小华  崔蓓 《海外英语》2015,(5)

该文从语义翻译和交际翻译的维度对《红楼梦》中的诗歌英译进行分析,探究两个英译本所采用的翻译策略,从而为翻译教学中诗歌的翻译提供借鉴意义以及为翻译实践提供理论支撑与实践依据。  相似文献   

试论网络时代的骚扰问题     

任娟娟  郭燕霞 《宁波广播电视大学学报》2015,13(2):1-7

网络骚扰是现实中传统式骚扰在网络空间的延伸与变异,是一类貌似温和、隐秘,但事实上却给受害人带来严重困扰与伤害的新兴网络社会问题。文章对网络骚扰问题的产生背景、内涵、类型与表现形式等问题进行了较为细致的剖析。  相似文献   

微课在性医学教学中的应用初探     

史宏  张静  韦玉娜  王文杰  陆良喜  陆杰 《大众科技》2015,(6)

目的:探讨微课在性医学教学中的效果。方法:随机选取2个班级,其中一个169人采用传统教学方法,另一个166人采取微课教学方案,比较两组学生成绩,了解学生对知识的掌握程度。结果:传统组学生成绩优良率为47.93%,微课组学生成绩优良率为63.25%,两组比较P0.01。结论:微课件教学方法可以加强学生接收、掌握、转化知识的能力,适合在性医学教学中推广应用。  相似文献   

Starting the data conversation: informing data services at an academic health sciences library     

Kevin B. Read  Alisa Surkis  Catherine Larson  Aileen McCrillis  Alice Graff  Joey Nicholson  Juanchan Xu 《Journal of the Medical Library Association》2015,103(3):131-135

Objective

The research obtained information to plan data-related products and services.

Methods

Biomedical researchers in an academic medical center were selected using purposive sampling and interviewed using open-ended questions based on a literature review. Interviews were conducted until saturation was achieved.

Results

Interview responses informed library planners about researchers’ key data issues.

Conclusions

This approach proved valuable for planning data management products and services and raising library visibility among clients in the research data realm.  相似文献