提高学校田径接力项目成绩的初探     

黎峰  高兰龙 《山东体育科技》2001,23(3):56-58

接力比赛是一项团体项目，由于竞争激烈．可观赏性很强。在各级田径运动会的比赛中起着举足轻重的作用。一个接力队成绩的好坏也反映出一个学校(团体)的教学与训练的水平。成绩的优劣除了取决于几名运动员的个人短跑成绩外，每个运动员之间的传接棒水平，传接棒成功率的高低，也直接影响着接力队的成绩。  相似文献   

论我国古代战争对体育的促进作用     

周军  郭敏 《河北体育学院学报》2006,20(1):81-82

采用文献资料法,指出了我国古代战争是体育的源头,并进一步阐述了古代战争对体育内容、手段、规模演变的推动作用,及其对体育理论化、规范化、制度化方面的影响。  相似文献   

A prospective examination of the impact of high levels of exercise training on sedentary behaviour     

Ann M. Swartz  Nora E. Miller  Young IK Cho  Whitney A. Welch  Scott J. Strath 《European Journal of Sport Science》2017,17(2):222-230

The aim of this study is to determine changes in sedentary behaviour in response to extensive aerobic exercise training. Participants included adults who self-selected to run a marathon. Sedentary behaviour, total activity counts and physical activity (PA) intensity were assessed (Actigraph GT3X) for seven consecutive days during seven assessment periods (?3, ?2, and ?1 month prior to the marathon, within 2 weeks of the marathon, and +1, +2, and +3 months after the marathon). Models were fitted with multiple imputation data using the STATA mi module. Random intercept generalized least squares (GLS) regression models were used to determine change in sedentary behaviour with seven waves of repeated measures. Results: Twenty-three individuals (mean?±?S_x: 34.4?±?2.1y, 23.0?±?1.9% fat, 15 women, 8 men) completed the study. Marathon finishing times ranged from 185 to 344 minutes (253.2?±?9.6 minutes). Total counts in the vertical axis were 1,729,414 lower one month after the race, compared with two months prior to the race (peak training). Furthermore, counts per minute decreased by 252.7 counts·minute^?1 during that same time period. Daily sedentary behaviour did not change over the seven assessment periods, after accounting for age, gender, per cent body fat, wear time, marathon finishing time, and previous marathon experience. This prospective study supports the notion that PA and sedentary behaviours are distinct, showing that sedentary behaviour was not impacted by high levels of aerobic training.  相似文献   

论法学本科的职业伦理教育     

秦守勤 《江西教育学院学报》2007,28(1):58-61

从法科教育的属性谈起,分析当前我国法学本科教育中职业伦理教育的缺失及其严重后果。从重构法学教育的目标定位、建立高等法学教育与司法考试的良性互动、重视法学家的职业伦理教育三个方面详细论证如何实现法学本科职业伦理教育的目标。  相似文献   

生物钟的奥秘     

雷卫伟  魏启君 《新乡师范高等专科学校学报》2007,21(2):75-76

从自然的生物钟现象入手,根据生物钟的类型与意义,讨论了全球变化对生物钟的影响以及人为改变生物钟的后果,提出了本着人与自然和谐发展的原则,人类应遵循自然规律、维持生物钟的观点。  相似文献   

The effects of static stretching on speed and agility: One or multiple repetition protocols?     

Alexandra Avloniti  Ioannis G. Fatouros  Maria Protopapa  Ioannis Athanailidis  Christina Avloniti 《European Journal of Sport Science》2016,16(4):402-408

Although static stretching (SS) is utilized during warm-up before training and competition, the results about its effects on performance remain controversial. We examined whether performing a stretch of short-to-moderate duration (<60 sec) in a single repetition produces a similar or different effect on speed and agility performance from the effect which is produced while performing the same stretch in multiple repetitions of the same total duration. According to a repeated measurement design, 40 trained males were randomly assigned to either (1) a single repetition group or (2) a multiple repetition group. The participants in each group performed five trials: a control trial (no stretches were performed) and four experimental trials of SS protocols consisting of five exercises performed at either 20 sec (2 × 10 in the second group), 30 sec (3 × 10 in the second group), 40 sec (4 × 10 in the second group) or 60 sec (6 × 10 in the second group) of total duration. A two-way repeated measures analysis of variance showed that the participants in both group improved their speed performance in response to the 20-sec trial, whereas agility remained unaffected. Data analysis also revealed that the repetition number did not affect speed and agility performance. These data suggest that SS of short duration (<30 sec) may actually improve acute speed performance, whereas SS of moderate duration may not hamper speed and agility performance. Moreover, the effects of SS protocols are related to the total duration of each exercise and not to the number of repetitions in which each exercise is performed.  相似文献   

社会主义政治文明的实现途径   总被引：4，自引：1，他引：4  

陈铁军 《安庆师范学院学报(社会科学版)》2003,22(3):13-15

实现社会主义政治文明,要发展党内民主,坚持和完善党的领导,实行人大代表专职,建立决策咨询制度,保障公民被选举权,建立行业提名方式,按倍数原则推选候选人,不断扩大直接选举范围,实行党政领导干部职务任期制。  相似文献   

球坐标系中速度与加速度的转动参考系求法     

罗兴垅  罗颖 《赣南师范学院学报》2002,(3):28-30

应用转动参考系 ,给出了一种求解球坐标系中速度和加速度的简捷方法。该方法不仅图像清晰 ,简明直观 ,而且可应用到矢量力学教学中去  相似文献   

试论动力源（MOTIVATION）在英语教学中所发挥的作用     

窦雅斌 《教学研究(河北)》2001,24(4):300-302

学校的教学应从教师为中心转变为学生为中心，让学生在学习内容、方法等方面有更大的选择余地。这样做的结果，会使学生对学习产生浓厚的兴趣，加强自信心，把握机遇，培养独立性，成为自己命运的主人。  相似文献   

论"一山一水一圣人"观念的关联及其影响     

尹柱角 《临沂师范学院学报》2006,28(1):123-125

“一山一水一圣人”这一观念成说的形成,与“山”、“水”、“圣人”间内在的和时空上的关联密切相关。前者主要体现在三者对中国古代文化的哺育和发展上,而后者在中国传统古籍有关记载中有着明确的印证。“一山一水一圣人”作为一个抽象概括的观念,对中国社会的影响既有积极的一面,也有消极的一面。  相似文献