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1.
Luca Oppici Derek Panchuk Fabio Rubens Serpiello Damian Farrow 《European Journal of Sport Science》2018,18(7):947-954
This study investigated how learning a passing skill with futsal or soccer task constraints influenced transfer to a new task. Futsal (n?=?24, 13.6?±?1.2 years old, 7.0?±?1.6 years of experience) and soccer (n?=?24, 13.6?±?1.2 years old, 6.8?±?1.2 years of experience) players performed two 5v5?+?goalkeeper modified games – a futsal-like task (small playing area with the futsal ball) and soccer-like task (large playing area with the soccer ball). Participants’ passing accuracy and their orientation of attention were assessed during the two tasks. The futsal group improved their passing accuracy (ES?=?0.75?±?0.61) from the futsal-like to the soccer-like task, and they were more accurate than soccer players (ES?=?2.98?±?2.96). Conversely, the soccer group’s passing accuracy remained stable across the two tasks (ES?=?0.10?±?0.52) and it was similar to the futsal group in the futsal-like task (ES?=?0.58?±?1.93). This indicates a higher magnitude of transfer (and adaptability) from performing passes in a small playing area with short time to act – futsal task constraints – to a larger playing area with longer time – soccer task constraints – than vice-versa. Furthermore, the futsal group showed a higher adaptation of attention orientation to the affordances that emerged with the soccer task constraints, which is suggested to be one of the main mechanisms promoting skill transfer. These results encourage soccer practitioners to introduce futsal task constraints to fast-track players’ ability to functionally adapt perception–action coupling. 相似文献
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本文详细的介绍了MPI并行程序编程实现和设计方法,针对常用数值进行并行运算求解,主要是解决了如何用布尔积求幂矩阵判断各顶点之间是否可达,同时推算出经过多少(个顶点)条边才能到达这两个问题。最后对并行程序进行测试分析,并总结了本论文所做的工作中的经验与不足,并指出需要继续研究的问题。 相似文献
3.
Paul S. Bradley David T. Archer Bob Hogg Gabor Schuth Michael Bush Chris Carling 《Journal of sports sciences》2016,34(10):980-987
This study investigated the evolution of physical and technical performances in the English Premier League (EPL), with special reference to league ranking. Match performance observations (n = 14,700) were collected using a multiple-camera computerised tracking system across seven consecutive EPL seasons (2006–07 to 2012–13). Final league rankings were classified into Tiers: (A) 1st–4th ranking (n = 2519), (B) 5th–8th ranking (n = 2965), (C) 9th–14th ranking (n = 4448) and (D) 15th–20th ranking (n = 4768). Teams in Tier B demonstrated moderate increases in high-intensity running distance while in ball possession from the 2006–07 to 2012–13 season (P < 0.001; effect size [ES]: 0.68), with Tiers A, C and D producing less pronounced increases across the same period (P < 0.005; ES: 0.26, 0.41 and 0.33, respectively). Large increases in sprint distance were observed from the 2006–07 to 2012–13 season for Tier B (P < 0.001; ES: 1.21), while only moderate increases were evident for Tiers A, C and D (P < 0.001; ES: 0.75, 0.97 and 0.84, respectively). Tier B demonstrated large increases in the number of passes performed and received in 2012–13 compared to 2006–07 (P < 0.001; ES: 1.32–1.53) with small-to-moderate increases in Tier A (P < 0.001; ES: 0.30–0.38), Tier C (P < 0.001; ES: 0.46–0.54) and Tier D (P < 0.001; ES: 0.69–0.87). The demarcation line between 4th (bottom of Tier A) and 5th ranking (top of Tier B) in the 2006–07 season was 8 points, but this decreased to just a single point in the 2012–13 season. The data demonstrate that physical and technical performances have evolved more in Tier B than any other Tier in the EPL and could indicate a narrowing of the performance gap between the top two Tiers. 相似文献
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毛娟 《北京体育大学学报》2011,(10):40-41,119
通过对体育艺术作品内容的价值、本质和分类认知的研究,为推进国内高等体育专业的教学主动由运动成绩本位的"技能传习",向人本位的"文化传承"转变,努力提高其"授技育人"的效果奠定基础。 相似文献
6.
张乾伟 《成都体育学院学报》2011,37(3)
运用录像观察、统计、文献资料等方法,对2010年亚运会足球比赛中、日、韩三支球队在各场区传、控球技战术的统计分析,并对三支球队在传、控球技战术方面的技术运用进行对比研究,寻找我国足球存在的问题和解决途径,为提高我国足球运动水平提供参考。 相似文献
7.
青少年手球传球动作是手球技术的重要组成部分,针对青少年手球运动员传球技术训练中出现的突出问题进行逐一分析,并就其自信心的培养、生理条件、心理素质以及应变观察能力的培养进行了探讨,提出了青少年手球传球技能训练中应注意的问题和解决此类问题的方法,并给出了合理的建议。 相似文献
8.
我国的基础教育改革,应该是中西教育理念的对话,而不是移植。而我们的理论界乃至实践者,却要放弃自身的主体,将我们自己的传统和实践贬斥得一无是处,把西方,主要是北欧的一些教育理念和方法当做绝对真理。比如,用平等对话和质疑理论来否定我国的传道、授业、解惑传统。引进并不是让西方理念独白,而是与中国传统和现状对话,这就要求我们自己要有本钱——我们几千年的教育历史,是我们的优势;我们当代杰出教师的杰出创造,是从我们民族的文化传统中生长出来的;我们对西方的教育理论,要保持学术的清醒,洞察其优长和局限。要将西方理论引进中国,就要把其中只属于西方文化的、历史的土壤的成分剥离;还要将中国传统和现状的基因融入,用我们自己的经验来修正。 相似文献
9.
范敏 《韩山师范学院学报》2010,31(6):31-35
主要阐述了全国计算机等级考试目前的状况,对其所在的优势和存在的问题进行了分析,提出了解决方案,着重阐述了如何提高二级VisualFoxpro通过率,对参加考试的学生有所帮助. 相似文献
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