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Fundamental Movement Skills and Physical Fitness Are Key Correlates of Tactical Soccer Skill in Grassroots Soccer Players Aged 8–14 Years 8 ~ 14岁基层足球运动员基本动作技能和身体素质是战术足球技能的关键相关因素
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2021-0061
M. Duncan, N. Clarke, Lee Bolt, Emma L. J. Eyre, C. Roscoe
One hundred and twenty-one children (58 boys and 63 girls) aged 8–14 years (mean ± SD = 12 ± 1 years) who were regularly engaged in grassroots soccer participated in this study. Participants undertook assessments of fundamental movement skill (FMS) using the Test of Gross Motor Development-3, perceived ability using the Perceived Physical Ability Scale for Children, physical fitness via 15-m sprint time, standing long jump distance, and technical skill using the university of Ghent dribbling test. The Procedural Tactical Knowledge Test was employed as a measure of tactical skill from which metrics for positioning and movement and recognizing spaces were derived. Maturation was determined from anthropometric measures. Analysis of covariance examined gender differences in tactical skills accounting for FMS, fitness, perceived ability, technical skill, maturation, and age. Results indicated no significant differences in tactical skills between boys and girls (p > .05). For recognizing spaces, 56% of the variance was explained with FMS (p = .001), physical fitness (p = .02), and technical skill (p = .02) contributing to the model. For positioning and movement, a significant model explained 55% of the variance in this element of tactical behavior with FMS (p = .002) and technical skill (p = .02) significantly contributing to the model.
121名8-14岁(平均±SD = 12±1岁)经常参加基层足球运动的儿童(男58名,女63名)参加了本研究。参与者使用大肌肉运动发展测试-3对基本运动技能(FMS)进行评估,使用儿童感知身体能力量表对感知能力进行评估,使用15米短跑时间、立定跳远距离进行体能评估,使用根特大学运球测试进行技术技能评估。程序性战术知识测试被用作战术技能的衡量标准,定位、移动和识别空间的指标由此衍生。成熟度由人体测量测定。协方差分析检验了战术技能在FMS、适应性、感知能力、技术技能、成熟度和年龄方面的性别差异。结果显示,男孩和女孩在战术技能方面无显著差异(p > 0.05)。对于识别空间,56%的方差可以用FMS (p = .001)、身体素质(p = .02)和技术技能(p = .02)来解释。对于定位和移动,一个重要的模型解释了55%的战术行为因素的差异,FMS (p = .002)和技术技能(p = .02)对模型的贡献很大。
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引用次数: 1
Low Prevalence of A Priori Power Analyses in Motor Behavior Research 先验功率分析在运动行为研究中的应用较少
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2022-0042
B. McKay, Abbey Corson, Mary-Anne Vinh, Gianna Jeyarajan, Chitrini Tandon, Hugh Brooks, Julie Hubley, Michael J. Carter
A priori power analyses can ensure studies are unlikely to miss interesting effects. Recent metascience has suggested that kinesiology research may be underpowered and selectively reported. Here, we examined whether power analyses are being used to ensure informative studies in motor behavior. We reviewed every article published in three motor behavior journals between January 2019 and June 2021. Power analyses were reported in 13% of studies (k = 636) that tested a hypothesis. No study targeted the smallest effect size of interest. Most studies with a power analysis relied on estimates from previous experiments, pilot studies, or benchmarks to determine the effect size of interest. Studies without a power analysis reported support for their main hypothesis 85% of the time, while studies with a power analysis found support 76% of the time. The median sample sizes were n = 17.5 without a power analysis and n = 16 with a power analysis, suggesting the typical study design was underpowered for all but the largest plausible effect size. At present, power analyses are not being used to optimize the informativeness of motor behavior research. Adoption of this widely recommended practice may greatly enhance the credibility of the motor behavior literature.
先验的功率分析可以确保研究不会错过有趣的结果。最近的元科学表明,运动机能学研究可能力量不足,而且有选择性地报道。在这里,我们检查了功率分析是否被用于确保运动行为的信息研究。我们回顾了2019年1月至2021年6月期间发表在三份运动行为期刊上的每一篇文章。有13%的研究(k = 636)报告了检验假设的功效分析。没有研究以最小效应为目标。大多数有功效分析的研究依赖于先前实验、初步研究或基准的估计来确定感兴趣的效应大小。没有功效分析的研究报告85%的时间支持他们的主要假设,而有功效分析的研究发现76%的时间支持他们的主要假设。没有功效分析的中位数样本量为n = 17.5,有功效分析的中位数样本量为n = 16,这表明除了最大的似是而非的效应量外,典型研究设计的功效不足。目前,功率分析还没有被用于优化运动行为研究的信息量。采用这种广泛推荐的做法可以大大提高运动行为文献的可信度。
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引用次数: 3
Applying the Principles of Motor Learning in Preventative Programs of Overuse Injuries in Young Athletes: A Scoping Review 在青少年运动员过度使用损伤预防项目中应用运动学习原则:范围回顾
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2021-0031
M. Shafizadeh, Shahab Parvinpour, W. Schöllhorn, Andrew Barnes
This study aimed to review the scope of overuse injury prevention programs in young players through the lens of application of motor learning principles. From 280 studies found in the initial search, 13 studies were selected based on a series of inclusion criteria. The selected studies were categorized based on the type of intervention resulting in multicomponent (two studies), Fédération Internationale de Football Association 11+ (five studies), neuromuscular training (two studies), Fédération Internationale de Football Association Medical Assessment and Research Center (two studies), educational (one study), and stability (one study). The studies that had an effective preventative role to reduce overuse injuries applied some principles of motor learning to their intervention, such as contextual interference, variability of practice, task constraints, the power law of practice, transfer of learning, and explicit methods. There is a gap in the literature related to explicit applications of motor learning principles in the design of preventative interventions for overuse injury.
本研究旨在通过运动学习原理的应用来回顾青少年运动员过度使用损伤预防计划的范围。从最初搜索的280项研究中,根据一系列纳入标准选择了13项研究。所选的研究根据干预类型进行分类,包括多组分干预(2项研究)、fcv国际足球协会11+(5项研究)、神经肌肉训练(2项研究)、fcv国际足球协会医学评估和研究中心(2项研究)、教育性干预(1项研究)和稳定性干预(1项研究)。对减少过度使用损伤具有有效预防作用的研究将运动学习的一些原则应用于他们的干预,如情境干扰、练习的可变性、任务约束、练习的幂次定律、学习迁移和明确的方法。有关运动学习原则在过度使用损伤预防性干预设计中的明确应用的文献存在空白。
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引用次数: 0
Sequence Learning in an Online Serial Reaction Time Task: The Effect of Task Instructions 在线连续反应时间任务中的顺序学习:任务指示的影响
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2021-0064
Jaskanwaljeet Kaur, R. Balasubramaniam
The serial reaction time task (SRTT) is commonly used to study motor learning and memory. The task is traditionally administered in a lab setting with participants responding via button box or keyboard to targets on a screen. By comparing response times of sequential versus random trials and accuracy across sequential trials, different forms of learning can be studied. The present study utilized an online version of the SRTT to study the effects of instructions on learning. Participants were randomly assigned to an explicit learning condition (with instructions to learn the visual sequence and associated tone) or an implicit learning condition (without instructions). Stimuli in both learning conditions were presented in two phases: auditory and visual (training phase), followed by auditory only (testing phase). Results indicated that learning occurred in both training and testing phases, as shown by a significant decrease in response times. There was no significant main effect of learning condition (explicit or implicit) on sequence learning. This suggests that providing explicit instructions does not seem to influence sequence learning in the SRTT learning paradigm. Future online studies utilizing the SRTT should explore varying task instructions in a parametric manner to better understand cognitive processes that underlie sequence learning.
连续反应时间任务(SRTT)是研究运动学习和记忆的常用方法。这项任务传统上是在实验室环境中进行的,参与者通过按钮框或键盘对屏幕上的目标做出反应。通过比较顺序试验与随机试验的反应时间和顺序试验的准确性,可以研究不同形式的学习。本研究利用SRTT的在线版本来研究指导对学习的影响。参与者被随机分配到显性学习条件(有指示学习视觉序列和相关音调)或内隐学习条件(没有指示)。两种学习条件下的刺激均分为两个阶段:听觉和视觉(训练阶段),然后是听觉(测试阶段)。结果表明,学习发生在训练和测试阶段,反应时间显著减少。学习条件(内隐和外显)对序列学习没有显著的主效应。这表明,在SRTT学习范式中,提供明确的指令似乎并不影响顺序学习。未来利用SRTT的在线研究应该以参数化的方式探索不同的任务指令,以更好地理解序列学习背后的认知过程。
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引用次数: 1
Practice Schedules Affect How Learners Correct Their Errors: Secondary Analysis From a Contextual Interference Study 练习计划影响学习者纠正错误的方式:来自上下文干扰研究的二次分析
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2022-0021
Sarah Taylor, B. Fawver, Joseph L. Thomas, A. M. Williams, K. Lohse
Contextual interference is an established phenomenon in learning research; random practice schedules are associated with poorer performance, but superior learning, compared with blocked practice schedules. We present a secondary analysis of N = 84 healthy young adults, replicating the contextual interference effect in a time estimation task. We used the determinant of a correlation matrix to measure the amount of order in participant responses. We calculated this determinant in different phase spaces: trial space, the determinant of the previous five trials (lagged constant error 0–4); and target space, the determinant of the previous five trials of the same target. In trial space, there was no significant difference between groups (p = .98) and no Group × Lag interaction (p = .54), although there was an effect of Lag (p < .01). In target space, there were effects of Group (p = .02), Lag (p < .01), and a Group × Lag interaction (p = .03). Ultimately, randomly scheduled practice was associated with adaptive corrections but positive correlations between errors from trial to trial (e.g., overshoots followed by smaller overshoots). Blocked practice was associated with more adaptive corrections but uncorrelated responses. Our findings suggest that random practice leads to the retrieval and updating of the target from memory, facilitating long-term retention and transfer.
语境干扰是学习研究中的一种普遍现象;与固定的练习计划相比,随机的练习计划与较差的表现有关,但与更好的学习有关。我们对N = 84名健康年轻人进行了二次分析,在时间估计任务中复制了上下文干扰效应。我们使用相关矩阵的行列式来衡量参与者回答中的顺序量。我们在不同的相空间中计算这个行列式:试验空间,前五次试验的行列式(滞后常数误差0-4);目标空间,是同一目标前五次试验的行列式。在试验空间中,组间无显著差异(p = 0.98),组与组间无交互作用(p = 0.54),但有Lag的影响(p < 0.01)。在靶区,有组效应(p = 0.02)、Lag效应(p < 0.01)和组与Lag交互作用(p = 0.03)。最终,随机安排的练习与适应性修正有关,但与试验之间的误差呈正相关(例如,超调之后是较小的超调)。阻断练习与更多的适应性纠正相关,但与反应不相关。我们的研究结果表明,随机练习导致目标从记忆中检索和更新,促进长期保留和转移。
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引用次数: 0
Validation of a Follow-Through Developmental Sequence for the Overarm Throw for Force in University Students 大学生上臂抛力的随贯发展顺序的验证
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2022-0010
Bradley Beseler, Christopher Mesagno, M. Spittle, N. Johnson, Jack Harvey, S. Talpey, Mandy S. Plumb
Background: The purpose of this study was to examine the effect of the follow-through on thrown ball velocity, potentially justifying inclusion of the follow-through in Roberton’s five critical components. Method: Seventy-eight University students participated in the overarm, dominant hand, throwing task, which involved throwing a standard tennis ball with maximum force three times. Each throw was filmed by two cameras placed behind and to the open side of the thrower to assess the throwing technique. The velocity of the throws was recorded with a radar gun. Results: Results indicated that, after accounting for the effects of gender, age, and throwing experience, there was a significant effect of follow-through level on throw velocity. Analysis of covariance also revealed a significant gender effect, with males throwing significantly faster than females. Results indicated the follow-through had the second largest impact on thrown ball velocity of all six components. Discussion: These findings provide preliminary support that the follow-through should be added to Roberton’s developmental levels. The inclusion of the follow-through component could assist teachers and coaches to facilitate learner and athlete development and could also improve the accuracy of throwing development assessment.
背景:本研究的目的是为了检验后续动作对投球速度的影响,潜在地证明将后续动作纳入罗伯顿的五个关键组成部分。方法:78名大学生参加了一项用最大力量投掷一个标准网球三次的伸臂、优势手投掷任务。每次投掷都由放置在投掷者身后和开放侧的两台摄像机拍摄,以评估投掷技术。投掷的速度用雷达枪记录了下来。结果:结果表明,在考虑了性别、年龄和投掷经验的影响后,随动水平对投掷速度有显著影响。协方差分析也揭示了显著的性别效应,男性投掷明显快于女性。结果表明,在所有六个组成部分中,随动对抛球速度的影响都是第二大的。讨论:这些发现提供了初步的支持,跟进应该添加到罗伯顿的发展水平。加入跟进部分可以帮助教师和教练促进学习者和运动员的发展,也可以提高投掷发展评估的准确性。
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引用次数: 0
Assessment of Dynamic Balancing Performance of Synchronized Ice Skaters With Sudden Provocation Test via Principal Component Analysis 用主成分分析法评价速滑运动员的动平衡性能
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2021-0059
Zsófia Pálya, B. Petró, R. Kiss
Background: Balancing performance can be affected by regular and high-level athletic training, which has not been fully explored in synchronized ice skaters. This study aimed to analyze the dynamic balancing performance by assessing the principal and compensatory movements performed during the sudden provocation tests and evaluating the parameters that characterize the platform’s motion. Method: Twelve young female synchronized ice skaters and 12 female age-matched controls participated. Sudden provocation tests were completed three times in bipedal stance and in single-leg stances, and sport-specific fatigue session was inserted between the repetitions. Results: Significantly more time was necessary to recover balance for both groups after the fatiguing sessions (p < .05). Interestingly, skaters performed less effectively in the simplest condition (bipedal stance) than the control group (p < .05). The principal component analysis showed that the first principal movement was the same for both groups. The skater group used the upper body and arms more often to compensate, while the control group’s recovery strategy consisted mainly of abduction of the elevated leg. The damping ratio and the relative variance of the first principal movement showed a negative correlation (p < .05), suggesting that those with superior balancing effectiveness recruited more compensatory movements.
背景:平衡表现会受到定期和高水平运动训练的影响,这在花样滑冰运动员中尚未得到充分的探讨。本研究旨在通过评估在突然激发试验中进行的主运动和补偿运动以及评估表征平台运动的参数来分析动平衡性能。方法:12名年轻女子花样滑冰运动员和12名年龄匹配的女性对照组。在两足站姿和单腿站姿下完成三次突然激发试验,并在重复之间插入运动特定疲劳训练。结果:两组在疲劳训练后恢复平衡所需的时间明显增加(p < 0.05)。有趣的是,滑冰运动员在最简单的条件下(两足站立)的表现不如对照组(p < 0.05)。主成分分析表明,两组的第一个主运动是相同的。滑冰组更多地使用上半身和手臂来补偿,而对照组的恢复策略主要是抬高腿的外展。阻尼比与第一主动作的相对方差呈负相关(p < 0.05),表明平衡能力强的人会招募更多的代偿动作。
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引用次数: 0
A New Cover Signals a New Decade for JMLD 一个新的封面标志着JMLD新的十年
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2022-0075
M. Immink
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引用次数: 0
Can Infants Generalize Tool Use From Spoon to Rake at 18 Months? 18个月大的婴儿能从勺子学到耙子吗?
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2022-0006
Laetitia Jeancolas, L. Rat-Fischer, J. O'Regan, J. Fagard
Infants start to use a spoon for self-feeding at the end of the first year of life, but usually do not use unfamiliar tools to solve problems before the age of 2 years. We investigated to what extent 18-month-old infants who are familiar with using a spoon for self-feeding are able to generalize this tool-use ability to retrieve a distant object. We tested 46 infants with different retrieval tasks, varying the tool (rake or spoon) and the target (toy or food). The tasks were presented in a priori descending order of difficulty: rake–toy condition, then either spoon–toy or rake–food, and finally spoon–food. Then, the same conditions were presented in reverse order to assess the transfer abilities from the easiest condition to the most difficult retrieval task. Spontaneously, 18-month-old infants performed the retrieval tasks better with the familiar tool, the easiest task being when the spoon was associated with food. Moreover, the transfer results show that being able to use a familiar tool in an unusual context seems necessary and sufficient for subsequent transfer to an unfamiliar tool in the unusual context, and that early and repetitive training of self-feeding with a spoon plays a positive role in later tool use.
婴儿在一岁结束时开始使用勺子进行自我喂养,但通常在2岁之前不会使用不熟悉的工具来解决问题。我们调查了18个月大的婴儿在多大程度上熟悉使用勺子进行自我喂养,能够推广这种工具使用能力来检索远处的物体。我们测试了46名婴儿不同的检索任务,不同的工具(耙子或勺子)和目标(玩具或食物)。这些任务是按照难度的先验递减顺序呈现的:首先是耙子玩具,然后是勺子玩具或耙子食物,最后是勺子食物。然后,将相同的条件以相反的顺序呈现,以评估从最简单的条件到最困难的检索任务的迁移能力。自发地,18个月大的婴儿用熟悉的工具更好地完成检索任务,最简单的任务是当勺子与食物联系在一起时。此外,迁移结果表明,能够在不寻常的环境中使用熟悉的工具对于随后在不寻常的环境中迁移到不熟悉的工具似乎是必要和充分的,并且早期和重复的用勺子自我喂食训练在后来的工具使用中起着积极的作用。
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引用次数: 0
Associations Between Physical Activity and Gross Motor Skills in Parent–Child Dyads 亲子二人组身体活动与大肌肉运动技能的关系
IF 1.3 Q4 PSYCHOLOGY, DEVELOPMENTAL Pub Date : 2022-01-01 DOI: 10.1123/jmld.2022-0030
Katherine Q Scott-Andrews, Rebecca E. Hasson, Alison L. Miller, T. Templin, L. Robinson
This study examines the associations of physical activity and gross motor skills in parent–child dyads. Parent–child dyads (N = 61, 84% mothers, children aged 8–11 years) participated in this study. Anthropometrics were self-reported through Qualtrics. Physical activity was assessed using accelerometers. Motor skills were measured through four skills: catch, kick, throw, and jump. These skills were assessed using process (i.e., performance criteria of the Test of Gross Motor Development-3) and product (i.e., catch percentage and jump distance) measures. A complete motor skill score was computed by standardizing both process and product scores and summing them. Correlation coefficients and ordinary least square regressions were computed to examine the associations of physical activity and motor skills. Parents’ and children’s moderate to vigorous physical activity were significantly associated (β = 0.30 ± 0.11; p = .008). Parents’ and children’s motor skills were significantly associated (β = 0.46 ± 0.18; p = .012). Understanding parent determinants can support effective interventions targeting children’s low physical activity levels and improving motor competence. Our results highlight the importance of parents’ physical activity and motor skills, which are significantly associated with those of their children. These parent factors may be a key consideration for effective family-based physical activity interventions.
本研究探讨了亲子二人组中体力活动与大动作技能的关系。亲子双元组(N = 61, 84%为母亲,儿童年龄8-11岁)参与本研究。人体测量是通过质量测试自我报告的。使用加速度计评估身体活动。运动技能是通过四项技能来衡量的:接球、踢腿、投掷和跳跃。这些技能是用过程(即大肌肉运动发展测试-3的表现标准)和产品(即接球百分比和跳跃距离)来评估的。通过标准化过程和产品分数并将其相加,计算出完整的运动技能分数。计算相关系数和普通最小二乘回归来检验体力活动和运动技能的关联。父母与孩子的中高强度体力活动显著相关(β = 0.30±0.11;p = .008)。父母与孩子的运动技能显著相关(β = 0.46±0.18;p = .012)。了解父母的决定因素可以支持针对儿童低体育活动水平和提高运动能力的有效干预。我们的研究结果强调了父母的体育活动和运动技能的重要性,这与他们的孩子有很大的关系。这些父母因素可能是有效的以家庭为基础的身体活动干预的关键考虑因素。
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引用次数: 1
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Journal of Motor Learning and Development
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