对足球移动能力训练的思考          下载免费PDF全文

毛燕平 《河北体育学院学报》2017,31(3):76-79

运用文献资料法、逻辑分析法和经验总结法,对足球运动员移动能力训练进行研究.指出,移动能力是足球技能的重要组成部分,与球员的比赛表现密切相关.在对移动方式特征和分类进行分析梳理的基础上,针对长期被忽视的发展感知能力和移动效果反馈两方面,提出足球移动能力训练的内容和重点,以及不同训练阶段的训练要点.认为,发展移动能力要符合力学原理、结合专项技术训练,最终实现训练能力向比赛能力的转化.  相似文献   

Guiding Low Spatial Ability Individuals through Visual Cueing: The Dual Importance of Where and When to Look     

Victoria A. Roach  Graham M. Fraser  James H. Kryklywy  Derek G.V. Mitchell  Timothy D. Wilson 《Anatomical sciences education》2019,12(1):32-42

Research suggests that spatial ability may predict success in complex disciplines including anatomy, where mastery requires a firm understanding of the intricate relationships occurring along the course of veins, arteries, and nerves, as they traverse through and around bones, muscles, and organs. Debate exists on the malleability of spatial ability, and some suggest that spatial ability can be enhanced through training. It is hypothesized that spatial ability can be trained in low-performing individuals through visual guidance. To address this, training was completed through a visual guidance protocol. This protocol was based on eye-movement patterns of high-performing individuals, collected via eye-tracking as they completed an Electronic Mental Rotations Test (EMRT). The effects of guidance were evaluated using 33 individuals with low mental rotation ability, in a counterbalanced crossover design. Individuals were placed in one of two treatment groups (late or early guidance) and completed both a guided, and an unguided EMRT. A third group (no guidance/control) completed two unguided EMRTs. All groups demonstrated an increase in EMRT scores on their second test (P < 0.001); however, an interaction was observed between treatment and test iteration (P = 0.024). The effect of guidance on scores was contingent on when the guidance was applied. When guidance was applied early, scores were significantly greater than expected (P = 0.028). These findings suggest that by guiding individuals with low mental rotation ability “where” to look early in training, better search approaches may be adopted, yielding improvements in spatial reasoning scores. It is proposed that visual guidance may be applied in spatial fields, such as STEMM (science, technology, engineering, mathematics and medicine), surgery, and anatomy to improve student's interpretation of visual content. Anat Sci Educ. © 2018 American Association of Anatomists.  相似文献   

父母教养方式对大学生子女体重指数和身体活动行为的影响研究          下载免费PDF全文

尚博睿 《河北体育学院学报》2019,33(4):74-79

运用问卷调查法和数理统计法，对176名大学生及其父母的饮食、身体活动及教养方式进行调查分析。结果显示，子女同父母在体重指数（BMI）上具有显著正相关关系（r=19，P＜05），而在每周平均身体活动量上无显著相关（r=08，P=17）。回归分析表明，三类教养方式对子女BMI均无直接预测作用，然而专制型父母教养方式对父母与子女BMI的相关关系起间接调节作用（P＜01）；在子女身体活动行为方面，溺爱型父母教养方式更有可能导致子女的身体活动不足（P＜01）。研究结果表明，大学生离开家庭环境后，父母教养方式仍然对子女BMI和身体活动行为产生持续影响，父母与子女BMI方面存在相关关系。为今后在青少年肥胖干预及身体活动促进研究中纳入教养方式因素提供了实证依据。  相似文献   

The effect of smartphones and playing video games on decision-making in soccer players: A crossover and randomised study     

Leonardo S. Fortes  Dalton De Lima-Junior  Lenamar Fiorese  José R. A. Nascimento-Júnior  Arnaldo L. Mortatti  Maria E. C. Ferreira 《Journal of sports sciences》2020,38(5):552-558

ABSTRACT

The objective of this study was to analyse the effect of the use of social networks in smartphones or playing video games on the passing decision-making performance in professional soccer athletes. Participants were 25 male professional soccer athletes (mean ± SD: age 23.4 ± 2.8 years). The participants performed three randomised conditions divided into three groups: control (CON), smartphone (SMA), and video game (VID). Before and after each experimental condition, the Stroop Task assessed the level of induced mental fatigue. Then, the athletes performed a simulated soccer match. A CANON® camera recorded the matches for further analysis on passing decision-making performance. A group effect was identified (p < .01) with impairment on passing decision-making performance for the SMA (p = .01, ES = 0.5) and VID (p = .01, ES = 0.5) conditions. We concluded that the use of social networks on smartphones and/or playing video games right before official soccer matches might impair the passing decision-making performance in professional soccer athletes.  相似文献   

足球踢球动作技能学习中背景干扰效应的实验研究          下载免费PDF全文

余方亮 《河北体育学院学报》2019,33(1):67-73

目的：探讨初学者在足球踢球动作技能学习过程中是否存在背景干扰效应，并分析原因。方法：以足球脚背内侧踢定位球动作技能作为学习任务，选取某大学足球专修班的33名学生为研究对象，分成对照组和两个实验组，进行10周的体育教学现场实验，对一周后保持测试的达标和技评成绩进行单因素方差分析。结果：三组保持测试的达标和技评成绩均值，在0.05水平上差异不具有显著性。结论：实验结果未能出现背景干扰效应，未能验证本研究提出的研究假设和背景干扰效应假说的最主要原因是，足球脚背内侧踢定位球的复杂性任务特征。  相似文献   

The majority influence on interminority attitudes: The secondary transfer effect of positive and negative contact     

《Int J Intercult Relat》2016

Among minority members, positive contact with the majority was previously found to improve not only the attitudes toward the majority but also the attitudes toward minority outgroups (the secondary transfer effect; STE). However, the roles of negative intergroup contact and minority groups’ social status in the STE have not been yet examined. Therefore, in the present study, we investigated the association between both positive and negative contact with the national majority group (Finns) and mutual attitudes among high-status Estonian (n = 171) and low-status Russian (n = 180) immigrants in Finland. Two mediators of the STE were tested: attitudes toward the majority (attitude generalization) and public collective self-esteem (diagonal hostility). While positive and negative STEs emerging via attitude generalization were expected to occur among both immigrant groups, the mediating effect of public collective self-esteem was assumed only for members of the low-status group. In both immigrant groups, the relationship between positive contact with the majority group and attitudes toward the other immigrant group was positive and indirect through more favorable attitudes toward majority group members. The same mechanism characterized negative contact, where the indirect effect was mediated by less positive attitudes toward Finns. As predicted, public collective self-esteem mediated the effects of positive and negative contact with majority group members on attitudes toward the other minority only among low-status Russian immigrants. The results call for the acknowledgement of different mechanisms explaining the STE among minority groups enjoying different social statuses in host society.  相似文献   

比较文学教学的四个关键词     

吴家荣 《安徽教育学院学报》2011,29(1):116-118

比较文学作为一门学科,内容丰富、学理性强。如何使学生真正了解比较文学学科的价值、意义,使他们正确运用比较文学原理、方法,深入开展文学研究,四个关键词至关重要,即：比较;影响;可比性;变异性。学生只有充分了解关键词的含义,切实掌握了关键词的运用,比较文学的教学才能收到事半功倍的成效。  相似文献   

对中学生异性交往偏差问题的个案研究——基于青春期心理健康教育的视角     

刘朝辉  冀晨 《唐山师范学院学报》2011,33(5):133-136

学会交往是中学生成长的重要的内容,但在处理与异性同学的关系时,常出现＂交往过密＂这一偏差行为。通过呈现家长、教师开展心理健康教育的过程,能从其做法中吸取经验教训,获得有益启示。  相似文献   

我国低碳航运产业价值链的结构乘数效应     

甘爱平  詹凌晨  真虹  张婕姝 《上海海事大学学报》2016,37(3):47-51

针对航运低碳投资支出巨大的问题，运用结构性乘数，对我国用于低碳航运产业价值链中的支出产生的乘数效应进行研究.由两部门计算的简单投资乘数为1.547 7，由四部门计算的投资乘数均值为1.293 1.从长期看，乘数效应反映出航运低碳产业的投资收益大于投资支出，对航运业低碳减排具有现实和经济意义.  相似文献   

田径表演赛可行性探析     

崔永衡 《体育科技文献通报》2015,(1)

随着科技水平的发展，电视、多媒体网络等各种传播媒介的迅速发展，体育产业的迅速崛起，人们生活质量的提高、财富的积累，使得人们对体育的诉求也在不断的发生着变化。各种体育赛事逐步融入了表演赛，来扩大本项运动的国际影响力。由于体育明星效应，使得一些体育运动在国内一度掀起过高潮。那么，我们可以借鉴这种市场化的操作方式，从宏观的角度论述田径表演赛，通过明星效应，结合市场管理的方法，提升对田径运动兴趣，加大对田径运动知识的了解、认识，从而起到缓解瓶颈期学校体育中田径常年不受学生青睐的尴尬局面，迎来田径发展新“春天”。  相似文献