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Differences in Postural Status of the Spine of Swimmers of the Juvenile and Adolescent Age 少年和青少年游泳运动员脊柱姿势状态的差异
Pub Date : 2022-07-15 DOI: 10.26773/jaspe.220701
Stevan Đorđević, B. Jorgić, Marko Đurović, S. Milenkovic, Tomislav Okičić, Ilija Kitanović
The aim of this study was to determine the condition and the difference in postural status of spine in a frontal and sagittal plane in swimmers of juvenile and adolescent age. The sample of respondents, in total, comprised of 53 swimmers of both sexes having at least three-year-long swimming experience, i.e. divided by age: 28 respondents, swimmers of juvenile age, and 25 respondents of adolescent age. `Spinal mouse` was used to assess a postural status of a spine. Based on the obtained results, it may be concluded that there is no statistically significant difference in the number of swimmers of different age groups with postural spinal disorder in the frontal (sig=1.000) and sagittal plane in the thoracic (sig=0.108) and lumbar part (sig=0.237). Statistically significant differences, within each age group of swimmers, have been noticed between the number of children with and without postural disorder: juvenile age frontal plane (sig=0.000), sagittal plane of the thoracic part (sig=0.705), lumbar part (sig=0.001), while with the same statistical analysis, in respondents of adolescent age, was determined: in frontal plane (sig=0.001) and in sagittal plane of the thoracic part (sig=0.028), lumbar part (sig=0.162). Based on the results, it may be concluded that the level of postural disorders of the spine in swimmers of juvenile and adolescent age is high, but that the level of the prevalence of postural disorders is statistically insignificant among the respondents of juvenile and adolescent age.
本研究的目的是确定青少年和青少年游泳运动员的脊柱在额叶和矢状面上的状况和姿势状态的差异。受访者样本共包括53名至少有三年游泳经验的男女游泳运动员,即按年龄划分:28名受访者,青少年游泳运动员,25名青少年游泳运动员`脊髓小鼠”用于评估脊柱的姿势状态。根据获得的结果,可以得出结论,不同年龄组的游泳运动员在胸部(sig=0.108)和腰部(sig=0.237)的额叶(sig=1.000)和矢状面出现姿势性脊柱疾病的人数没有统计学上的显著差异,注意到有和没有姿势障碍的儿童数量之间存在差异:青少年年龄的额平面(sig=0.000)、胸部矢状面(sig=0.705)、腰部(sig=0.001),而通过相同的统计分析,在青少年年龄的受访者中,确定了:额平面(sig=0.001)和胸部矢状面的(sig=0.028),腰部(sig=0.162)。根据这些结果,可以得出结论,青少年和青少年游泳运动员的脊柱姿势障碍水平较高,但在青少年和青少年年龄的受访者中,姿势障碍的患病率水平在统计学上不显著。
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引用次数: 0
Implementation of Physical Education component within the basic science and technology curriculum and the time allocation in comparison to other basic science and technology subjects 基础科学技术课程中体育部分的实施情况以及与其他基础科学技术科目相比的时间分配
Pub Date : 2022-07-15 DOI: 10.26773/jaspe.220703
Ovbiebo Chinyere Mercy, Lator Chukwuma Sunday, Ogbouma Solomon
The objective is to assess the implementation of physical education (PE) component within the basic science technology subjects (BST) curriculum and the time allocation in comparison to other BST subjects. Descriptive survey research was adapted. The population was 109,778, comprising 109,383 students, 78 PE teachers and 317 head teachers of public Junior Secondary School (JSS), representing eighteen (18) Local Government Areas (LGAs) in Edo State. The sample size was 1,060 comprising 70 PE teachers, 90 Head teachers and 900 students; and they were selected using multi-stage sampling procedure. Two instruments were used to obtain data: “Implementation of PE component of BST curriculum questionnaire (IPECBSTCQ) and Time Allocation and General time table information for PE and BST subjects schedule (TAGTIPEBSTS). The cronbach alpha statistics was used to determine the reliability of the instrument, the r-value of 0.95 was obtained for the IPECBSTCQ. Main findings suggest an endorsement of policy statements related to PE within the BST by the PE and Head teachers. Also, PE is not accorded necessary attention compared to other subjects within the BST curriculum. It was concluded that PE and other Head teachers were conversant with National Policy on Education (NPE) stipulations as relates to PE within the BST curriculum; just as it was necessary for more time to be allotted to PE on the general time table in comparison to other BST subjects. It was chiefly recommended that supervisory officials of the Ministry of Education should ensure strict adherence to policy implementation related to PE within the BST.
目的是评估基础科学技术科目(BST)课程中体育部分的实施情况,以及与其他BST科目相比的时间分配。采用描述性调查研究。人口为109778人,包括109383名学生、78名体育教师和317名公立初中校长,代表江户州的十八(18)个地方政府地区。样本量为1060人,包括70名体育教师、90名班主任和900名学生;并使用多阶段取样程序对其进行选择。使用两种工具获得数据:“BST课程问卷中体育部分的实施情况(IPCBSTCQ)和体育和BST科目表的时间分配和一般时间表信息(TAGTIPEBSTS)使用cronbach-alpha统计来确定仪器的可靠性,对于IPCBSTCQ获得0.95的r值。主要调查结果表明,体育和校长认可BST中与体育相关的政策声明。此外,与BST课程中的其他科目相比,体育没有得到必要的关注。得出的结论是,体育和其他校长熟悉BST课程中与体育有关的国家教育政策(NPE)规定;正如与其他BST受试者相比,在一般时间表上有必要为体育课分配更多的时间一样。主要建议教育部的监督官员应确保严格遵守BST内与体育相关的政策执行。
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引用次数: 0
Relationship between Fine Motor Skills and BMI of Preschool Children 学龄前儿童精细运动技能与BMI的关系
Pub Date : 2022-07-15 DOI: 10.26773/jaspe.220704
Borko Katanic, Aleksandra Aleksic Veljkovic, N. Prvulović
The study aimed to determine the relationship between fine motor skills and BMI categories of preschool children 5-6 (6.14±.43) years of age (body height 118.86±5.96 cm, body mass 22.88±4.68 kg). 129 subjects, preschool children (59 boys and 70 girls) participated in this transversal study. Body mass index (BMI) was calculated based on measures of body height and body mass, and WHO cutoff points were used to create BMI categories while fine motor skills were determined using two Bruininks-Oseretsky (BOT-2) subtests for children's motor efficiency. Pearson's correlation coefficient was used to determine the relationship between the variables. The results showed a significant negative correlation between BMI and fine motor integration (r=-.235, p<.001), manual dexterity (r=-.290, p<.001), and the overall result of fine motor skills (r=-.342, p<.001). These results indicate that in addition to the significant connection between gross motor skills and basic motor skills, proven by numerous previous studies, higher BMI also has a negative effect on the fine motor skills of children, even in preschool age. Overweight children have lower scores on fine motor skills tests compared to normal weight children, which can have consequences for motor development in later life.
本研究旨在确定5-6(6.14±.43)岁学龄前儿童(身高118.86±5.96 cm,体重22.88±4.68 kg)的精细运动技能与BMI类别之间的关系。129名受试者,学龄前儿童(59名男孩和70名女孩)参与了这项横向研究。体重指数(BMI)是根据身高和体重的测量值计算的,世界卫生组织的截止点用于创建BMI类别,而精细运动技能则使用儿童运动效率的两个Bruininks-Oseretsky(BOT-2)子测验来确定。使用皮尔逊相关系数来确定变量之间的关系。结果显示,BMI与精细运动整合(r=-0.235,p<.001)、手巧(r=-0.290,p<0.001)和精细运动技能的总体结果(r=-0.342,p<001)之间存在显著的负相关。这些结果表明,除了大量先前研究证明的毛运动技能和基本运动技能之间存在显著联系外,较高的BMI也会对儿童的精细运动技能产生负面影响,即使在学龄前也是如此。与正常体重的儿童相比,超重儿童在精细运动技能测试中的得分较低,这可能会对以后的运动发展产生影响。
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引用次数: 1
The effect of static stretching exercise on flexibility and speed ability in young football players 静态拉伸运动对青少年足球运动员柔韧性和速度能力的影响
Pub Date : 2022-07-15 DOI: 10.26773/jaspe.220705
Sami Sermaxhaj
Training programmes for young football players are designed to stimulate an optimal development of physical performances relevant to football game. The primary aim of this research is to establish the effect of the static stretching exercise on the motor abilities (flexibility and speed) of young football players. A total of 24 young football players (U17 category) from Football Club “Ramiz Sadiku” were included in this pilot study. Participants were divided into control and experimental group. The research implemented 6 variables: 1) 2 variables for estimation of morphological characteristics (body height, body mass) and 2) 4 variables for estimation of motor abilities such as flexibility (Sit-and-Reach test), and speed (sprint 5m, sprint 10m and sprint 30m). Data processing was conducted with the software package SPSS, 23.0 version and uni-variant analysis was performed. Acquired results show that conducted experimental program for development of flexibility have statistically significant effect only on flexibility variable “sit and reach test” with the experimental group, and no significant effect on speed 5m, 10m and 30m. Based on the data obtained in this research, it is recommended to use static stretching exercises after training (in the recovery phase), 2-3 times a week for the optimal development of the flexibility of the players at the U17 category.
针对年轻足球运动员的训练计划旨在刺激与足球比赛相关的身体表现的最佳发展。本研究的主要目的是确定静态拉伸运动对年轻足球运动员运动能力(灵活性和速度)的影响。共有24名来自足球俱乐部“Ramiz Sadiku”的年轻足球运动员(U17级)被纳入这项试点研究。参与者被分为对照组和实验组。该研究采用了6个变量:1)2个用于估计形态特征(身高、体重)的变量,2)4个用于估计运动能力的变量,如灵活性(坐姿和伸展测试)和速度(短跑5米、短跑10米和短跑30米)。数据处理采用SPSS软件包23.0版本,并进行单变量分析。获得的结果表明,所进行的柔韧性发展实验程序仅对实验组的柔韧性变量“坐伸试验”有统计学显著影响,对5米、10米和30米的速度没有显著影响。根据本研究获得的数据,建议在训练后(恢复阶段)每周进行2-3次静态拉伸练习,以优化U17级别球员的柔韧性。
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引用次数: 0
Differences in Balance with Eyes Closed, Eyes Opened and Virtual Reality Environment: A pilot-study 闭眼、睁眼和虚拟现实环境下平衡差异的初步研究
Pub Date : 2022-07-15 DOI: 10.26773/jaspe.220702
M. Spasić, Marin Barišić, Josip Lukač
Many studies have examined differences between maintaining balance with open and closed eyes. In this research Virtual Reality (VR) technology is included as a special type of visual input for creating static and dynamic virtual environments. PURPOSE: The purpose of this paper was to determine whether there is a difference between results in balance tests on Biodex Balance System (BBS) with different visual input. METHODS: Participants (n=12) in the study were young, healthy and active males with an average age of 21.25±1.14 years, body mass 82.57±8.37 kg and average body height 185.42±5.18 cm. Six balance tests were applied on BBS, four in the real world and two in the virtual environment. Duration and instability level of the BBS platform were the same for all tests. RESULTS: None of the participants finished the test in a dynamic virtual environment so that test was excluded from further statistical analysis. Factor analysis revealed two main factors (latent dimensions). The first factor is characterized by open eyes tests while extremely high projection on the second factor can only be seen in a case of a test done with the eyes closed.
许多研究考察了睁开眼睛和闭上眼睛保持平衡之间的差异。本研究将虚拟现实技术作为一种特殊类型的视觉输入,用于创建静态和动态虚拟环境。本文的目的是确定在不同视觉输入的情况下,Biodex平衡系统(BBS)的平衡测试结果是否存在差异。方法:研究参与者(n=12)为年轻、健康、活跃的男性,平均年龄21.25±1.14岁,体重82.57±8.37 kg,平均身高185.42±5.18 cm。在BBS上进行了6次平衡测试,4次在现实世界中进行,2次在虚拟环境中进行。BBS平台的持续时间和不稳定性水平在所有测试中都是相同的。结果:没有一名参与者在动态虚拟环境中完成测试,因此测试被排除在进一步的统计分析之外。因子分析揭示了两个主要因素(潜在维度)。第一个因素的特征是睁开眼睛测试,而第二个因素的极高投影只有在闭着眼睛进行测试的情况下才能看到。
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引用次数: 0
The effects of aerobic exercsie program on the bilateral coordination of preschool children 有氧运动项目对学龄前儿童双侧协调能力的影响
Pub Date : 2022-04-15 DOI: 10.26773/jaspe.220401
Slađana Stanković, Marko Lasković, J. Jančić, Borko Katanic, Aleksandra Aleksic Veljkovic
The aim of this study was to determine the effects of aerobic exercise program on the bilateral coordination of preschool children. The boys and girls (n = 60), aged five to six, were randomly assigned to the experimental group (n = 30) or the control group (n = 30). The children in the experimental group were involved in aerobic training program over a 12-week period. Three training sessions were performed per week, lasting 30 minutes each. For the evaluation of children’s coordination, the Bilateral Coordination subtest from the BOT-2 (Bruininks- Oseretsky Test of Motor Proficiency) battery of tests was used. The children completed seven different tasks, both at the initial and the final measurement, which were further used to calculate the total score. To determine the changes in bilateral coordination, the two-factor (group × time) univariate analysis of variance (ANOVA) was used, while the effect size, presented by the partial Eta squared, was calculated for each task and the total score. A nonsignificant effect (p = .280) was observed for the task “Touching Nose with Index Fingers - Closed Eyes”, whereas a significant improvements in all the other tasks and the total score were found in the intervention group (p < .05). The magnitude of effect size ranged from medium to large. The findings indicate that the aerobic exercise program contributes to the development of bilateral coordination in preschool children.
本研究的目的是确定有氧运动项目对学龄前儿童双侧协调的影响。男孩和女孩(n=60),年龄在5至6岁之间,被随机分配到实验组(n=30)或对照组(n=30)。实验组的孩子们参加了为期12周的有氧训练。每周进行三次训练,每次持续30分钟。为了评估儿童的协调性,使用了BOT-2(Bruininks-Oseretsky运动能力测试)测试组的双侧协调子测试。孩子们在最初和最后的测量中完成了七项不同的任务,这些任务被进一步用于计算总分。为了确定双侧协调的变化,使用双因素(组×时间)单变量方差分析(ANOVA),同时计算每个任务和总分的影响大小,用偏Eta平方表示。“食指触摸鼻子-闭眼”任务的效果不显著(p=.280),而干预组的所有其他任务和总分都有显著改善(p<.05)。效果大小从中等到大不等。研究结果表明,有氧运动项目有助于学龄前儿童双侧协调的发展。
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引用次数: 1
Contribution of self-assessment of football competencies and the length of football experience for explaining the self-efficacy in junior and senior players 足球能力自评与足球经验长度对解释青少年与资深球员自我效能的贡献
Pub Date : 2022-04-15 DOI: 10.26773/jaspe.220404
R. Šetić, Jadranka Kolenović-Đapo, M. Talović, Nedim Čović
Aim of this paper was to examine the contribution of football experience and the self-assessment of tactical/technical skills and social competencies on the perceived self-efficacy in junior and senior football players. A total of 164 football players from Bosnia & Herzegovina have taken part in the research, 79 of which were professional senior players and 85 were professional U18 (junior) players. Three measuring instruments were used in the research: A questionnaire on general information, a self-assessment scale of self-efficacy for football players and a scale for estimating tactical/ technical and social competencies in football was used to gather data. Based on the results and the conducted analyses, it is indicative that the model that encompasses the length of football experience and a self-assessment of tactical/technical and social competencies in senior football players contributed around 8.5% to the total explanation of perceived self-efficacy. In senior players, the length of experience has a greater significance in perceived self-efficacy compared to the perceived success in performing football elements. The set model doesn’t have an equal contribution in junior players, where the model entirely contributed with 14.3% of the explanation of perceived self-efficacy, and the perceived success of performing football elements also has a statistically significant contribution. So, the model which encompasses football experience and the perceived success in performing football elements (tactical/technical and social competencies in football) is not equally predictive in junior and senior players.
摘要本研究旨在探讨足球经验、战术/技术技能自评及社会胜任力对初高中足球运动员自我效能感的影响。共有164名来自波斯尼亚和黑塞哥维那的足球运动员参加了这项研究,其中79名是职业成年球员,85名是职业U18(青少年)球员。研究采用了三种测量工具:一般信息问卷、足球运动员自我效能自我评估量表和足球战术/技术和社会能力评估量表来收集数据。根据结果和所进行的分析,表明包含足球经验长度和高级足球运动员战术/技术和社会能力自我评估的模型对感知自我效能感的总解释贡献了约8.5%。在高级球员中,经验长度对自我效能感的影响大于对足球表演要素成功感的影响。在青少年球员中,集合模型的贡献并不相等,该模型完全贡献了14.3%的感知自我效能的解释,而足球表演的感知成功元素也有统计学上显著的贡献。因此,包含足球经验和表现足球元素(足球中的战术/技术和社会能力)的感知成功的模型在初级和高级球员中并不具有同样的预测性。
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引用次数: 0
Recommendations for Effective Coaching Practices: A Case Study using the Multidimensional Model of Leadership as a Guiding Framework 有效指导实践的建议:使用领导力多维模型作为指导框架的案例研究
Pub Date : 2022-04-15 DOI: 10.26773/jaspe.220405
Jafra D. Thomas, Samantha M. Ross, Jenner R. Sapienza
Universities, sport governing bodies, and industry associations have employed coach development programs to remedy gaps that coaches experience in their job preparation. The purpose of this article is to report on a single-participant case study that investigated the applicability of one popular theory used in coach development programs: the multidimensional model of leadership (MDML). A key tenet of MDML is that athletes will experience positive gains in their performance and performance satisfaction when coached in their preferred way. Research testing the MDML has produced a nearly universal list of athlete-preferred coaching behaviors (e.g., democratic coaching styles are highly valued). The present case study explored the extent such a list held true for one collegiate athlete during her playing days. A structured telephone interview was used. The participant’s responses were analyzed using discourse analysis. The results of the discourse analysis were synthesized with findings from the research literature used to compose the interview questions (i.e., a critical interpretive synthesis). Findings from the present study indicated there was general agreement between the research-generated list of athlete preferences and the participant’s own preferences as a collegiate athlete. Yet, findings of the investigation also revealed nuances in how situations (e.g., injuries, athlete empathy towards coaches) may influence/explain an athlete’s choice in coaching preference. Namely what is preferred, and preference order, is not static. This study provides coaches with a tangible example of how theory connects to athlete experiences. Key findings are discussed as an educational tool for coaching preparation, including their application to future coach development programs.
大学、体育管理机构和行业协会都采用了教练发展计划来弥补教练在工作准备中遇到的差距。本文的目的是报告一个单一参与者的案例研究,该研究调查了教练发展计划中使用的一个流行理论的适用性:领导力的多维模型(MDML)。MDML的一个关键原则是,当以他们喜欢的方式进行训练时,运动员将在他们的表现和表现满意度方面获得积极的收获。测试MDML的研究已经产生了一个几乎通用的运动员偏好教练行为列表(例如,民主教练风格受到高度重视)。本案例研究探讨了一名大学生运动员在比赛期间的真实情况。采用了结构化的电话采访。参与者的回答采用语篇分析法进行分析。语篇分析的结果与用于撰写访谈问题的研究文献的结果进行了综合(即批判性解释综合)。本研究的结果表明,研究生成的运动员偏好列表与参与者自己作为大学运动员的偏好之间普遍一致。然而,调查结果也揭示了情况(如受伤、运动员对教练的同理心)如何影响/解释运动员在教练偏好方面的选择的细微差别。也就是说,偏好和偏好顺序并不是一成不变的。这项研究为教练们提供了一个关于理论如何与运动员体验联系起来的具体例子。主要研究结果作为教练准备的教育工具进行了讨论,包括它们在未来教练发展计划中的应用。
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引用次数: 1
Online Learning Process and Results in Indonesia 印度尼西亚的在线学习过程和结果
Pub Date : 2022-04-15 DOI: 10.26773/jaspe.220403
Suyoto S, Sudargo S, Rosalina Br Ginting, Nur Azis Rohmansyah
The focus of this research is (1) to describe and analyze how the process of online lectures at Universitas PGRI Semarang, and (2) to describe and analyze how the results of the implementation of online lectures at Universitas PGRI Semarang in suppressing disparities in higher education quality. Therefore, the purpose of this research is to monitor and evaluate the implementation of online learning at Universitas PGRI Semarang through the mechanism of online learning guidelines by the Quality Assurance Institute. This research uses a mixed method or often referred to as a mixed method. Data collection for the online lecture process was captured by using an online lecture implementation questionnaire filled out by students and lectures via googleform. The second data is student learning outcomes/achievements downloaded from the Universitas PGRI Semarang Lecture Information System (SIP). The results of the implementation of online lectures at Universitas PGRI Semarang are still not in line with expectations. Because students who carry out online lectures are not necessarily in a place with stable internet access, even though on the other hand online lectures require good internet access not only from the lecturer side but also from the student side. The limitations experienced by these students can cause the understanding of the material that has been delivered by the lecturer can not be maximized. The conclusion of the implementation of lectures are still not maximized so that it needs to be addressed immediately by increasing the effectiveness and efficiency of learning, one way is by providing education quota assistance or carrying out blended learning by taking into account the principles of the Covid-19 prevention protocol.
本研究的重点是(1)描述和分析三宝垄PGRI大学在线讲座的过程,以及(2)描述并分析三宝朗PGRI大学实施在线讲座在抑制高等教育质量差异方面的结果。因此,本研究的目的是通过质量保证研究所的在线学习指南机制,监测和评估三宝垄PGRI大学在线学习的实施情况。这项研究使用了一种混合方法或通常被称为混合方法。在线讲座过程的数据收集是通过使用学生填写的在线讲座实施问卷和通过谷歌表单进行的讲座来获取的。第二个数据是从普吉大学三宝垄分校讲座信息系统(SIP)下载的学生学习成果/成就。三宝垄PGRI大学在线讲座的实施结果仍然不符合预期。因为进行在线讲座的学生不一定在一个有稳定互联网接入的地方,尽管另一方面,在线讲座不仅需要讲师,也需要学生有良好的互联网接入。这些学生所经历的局限性可能导致无法最大限度地理解讲师所提供的材料。实施讲座的结论仍然没有最大限度地发挥作用,因此需要立即通过提高学习的有效性和效率来解决这一问题,其中一种方法是提供教育配额援助或在考虑到新冠肺炎预防议定书原则的情况下进行混合学习。
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引用次数: 0
Analysis of postural disorders with preschool and school children at the regional level 地区学龄前和学龄儿童体位障碍分析
Pub Date : 2022-04-15 DOI: 10.26773/jaspe.220402
B. Banjević
The aim of this work is to collect relevant research from Montenegro and the region, and their adequate analysis and making meaningful conclusions. The selection of works was made on the basis of issues related to the postural status of preschool and school children and youth. The shortlist included 30 works, which dealt with diagnosing postural status, determining the effects of targeted corrective programs, examining differences in posture in children from urban and rural areas (as well as gender) and discovering the interdependence of deformities with certain segments of anthropological status (usually morphological characteristics).The following conclusions were made: according to almost all the results obtained, the postural status is significantly disturbed and endangered in a large number of children; observed changes in the segments of the locomotor system are mostly of the initial stage, ie. functional type; positive changes in posture have been observed under the influence of applied preventive and corrective exercise programs; equal vulnerability of postural status was found among children from urban and rural areas; the greatest differences in posture between the sexes occur during puberty, and they are detected predominantly on the spinal column; changes in the locomotor system are mostly related to the parameters of the longitudinal dimensionality of the skeleton. The obtained results indicate the need for the implementation of studies that would include the diagnosis and application of experimental exercise programs, in order to gain new experiences and knowledge when applying corrective gymnastics exercises in regular physical education classes.
这项工作的目的是收集黑山和该地区的相关研究,并对其进行充分分析,得出有意义的结论。作品的选择是根据与学龄前和学龄前儿童及青少年的姿势状况有关的问题进行的。入围名单包括30部作品,涉及诊断姿势状态、确定有针对性的矫正计划的效果,研究了城市和农村儿童的姿势差异(以及性别),并发现畸形与某些人类学地位(通常是形态学特征)的相互依赖性。得出以下结论:根据几乎所有的结果,大量儿童的姿势状态受到严重干扰和威胁;观察到的运动系统各节段的变化大多处于初始阶段,即功能型;在应用预防和纠正运动计划的影响下,观察到姿势的积极变化;来自城市和农村地区的儿童在姿势地位方面同样脆弱;性别之间姿势的最大差异发生在青春期,主要发生在脊柱上;运动系统的变化主要与骨骼的纵向维度参数有关。所获得的结果表明,有必要实施包括实验锻炼计划的诊断和应用在内的研究,以便在常规体育课上应用矫正体操锻炼时获得新的经验和知识。
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引用次数: 0
期刊
Journal of Anthropology of Sport and Physical Education
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