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Brazilian journal of motor behavior最新文献

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Power output and energy cost: crucial measures to understand motor skill learning in handrim wheelchair propulsion 功率输出和能量成本:了解轮椅推进运动技能学习的重要指标
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i1.261
L. V. D. van der Woude, R. Cowan, V. Goosey-Tolfrey, F. Chénier, U. Arnet, R. Vegter
BACKGROUND: This current opinion is a call for standardization of measurements of manual wheeling ability among larger and diverse populations to support our understanding of motor control and learning.VIEW OF THE PAST: Handrim wheelchair propulsion remains the most common mode of wheeled ambulation and has stood the test of time as a practical upper-body alternative to walking.CURRENT STATE: Two theoretical models appeared useful in understanding the demands on the wheelchair-user combination and the role of motor skill acquisition: Power Balance Model and Constraint-based Approach.FUTURE PERSPECTIVE: Power output and energy cost measures are crucial mediators in the development of a motor control theory of cyclic motions in rehabilitation, adapted sports and beyond.
背景:目前的观点是呼吁在更大的和不同的人群中进行手轮能力的标准化测量,以支持我们对运动控制和学习的理解。过去的观点:Handrim轮椅推进仍然是最常见的轮式行走方式,并经受住了时间的考验,作为一种实用的上肢替代步行。现状:两个理论模型在理解轮椅使用者组合的需求和运动技能习得的作用方面显得有用:力量平衡模型和基于约束的方法。未来展望:在康复、适应性运动及其他领域的循环运动运动控制理论的发展中,功率输出和能量成本措施是至关重要的中介。
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引用次数: 0
Learning and performing: What can theory offer high performance sports practitioners? 学习和表演:理论能为高水平的体育从业者提供什么?
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i2.280
I. Renshaw, K. Davids, Mark O’Sullivan
Currently, the most prominent motor control theories that underpin the pedagogy of coaches in high performance sport are derived from the discipline of psychology with a dominant focus on internalised control processes for learning and performance. In contrast, ecological dynamics is a contemporary meta-theory focused on the person-environment scale of analysis for understanding human behavior, exemplified by strengthening the relations between each learner and their environment. In this tutorial, we outline key concepts in ecological dynamics that considers learning and performance as being distinct, yet inextricably linked. In our considerations, we raise questions on long-held assumptions about control process theories on learning and performance for practice designs in high performance sports. For example, how useful is inferring learning by describing improved performance as showing more relative permanence, greater stability and consistency, with commensurate lower levels of attention and movement variability? How relevant are traditional ways of measuring learning using retention and transfer tests in high performance sports? What is actually attained in an ecological view of learning, focussed on education of attention and calibration of actions to specifying information present in performance environments? An implication of these issues for high performance sport is that learning needs to be assessed by how well a learner adapts to the specific constraints and demands of a performance context. This key idea has important implications for performance analysis and evaluation in sport.
目前,最突出的运动控制理论是高性能运动教练教学的基础,来自心理学学科,主要关注学习和表现的内化控制过程。相比之下,生态动力学是一种当代元理论,侧重于理解人类行为的人-环境尺度分析,例如加强每个学习者与其环境之间的关系。在本教程中,我们概述了生态动力学中的关键概念,这些概念认为学习和表现是不同的,但又密不可分。在我们的考虑中,我们对长期以来关于高性能运动练习设计中学习和表现的控制过程理论的假设提出了质疑。例如,通过将提高的表现描述为表现出更大的相对持久性、更大的稳定性和一致性,以及相应的较低的注意力和动作可变性水平,来推断学习效果有多有用?在高水平运动中,使用记忆和迁移测试来衡量学习的传统方法有多大的相关性?在学习的生态观中,专注于注意力的教育和行为的校准,以指定表演环境中存在的信息,实际上获得了什么?这些问题对高水平运动的一个暗示是,学习需要通过学习者如何适应特定的限制和表演环境的要求来评估。这一关键思想对体育运动中的表现分析和评价具有重要意义。
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引用次数: 8
Practice organization beyond memory processes: the Schöllhorn (2022) comments on generalization 超越记忆过程的实践组织:Schöllhorn(2022)对泛化的评论
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i2.306
G. Lage, L. A. Fernandes, Tércio Apolinário-Souza, N. G. H. M. Nogueira, B. P. Ferreira
brings an interesting and insightful viewpoint to our narrative review, in which we aimed to discuss recent findings of a specific area of study: the practice organization. We have reflected on Schöllhorn 1 comments and decided to reply on three specific points: (1) the role of narrative literature reviews, (2) the different interpretations of Lage et al. 2 and Schöllhorn 1 , and (3) the maintenance or not of our main conclusions. of are The mini-review, a narrative review, in the BJMB a a specific topic from terms the main narrative review published on practice
为我们的叙述性回顾带来了一个有趣而深刻的观点,我们旨在讨论一个特定研究领域的最新发现:实践组织。我们对Schöllhorn 1的评论进行了反思,并决定就三个具体问题进行回复:(1)叙事文献综述的作用,(2)Lage et al. 2和Schöllhorn 1的不同解释,以及(3)我们的主要结论是否维持。其中的迷你评论,是一种叙述性评论,在BJMB一个特定的主题下,从术语上主要发表关于实践的叙述性评论
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引用次数: 0
Infographic: Type of physical exercises recommended to improve balance and gait in older adults with a history of falls 信息图:推荐用于改善有跌倒史的老年人平衡和步态的体育锻炼类型
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i2.304
G. V. Magalhães, J. A. Silva, Mathaeus H. S. Pereira, Natalia Rinaldi
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引用次数: 0
Ten guidelines for designing motor learning studies. 设计运动学习研究的十条准则。
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i2.283
Rajiv Ranganathan, Mei-Hua Lee, Chandramouli Krishnan

Motor learning is a central focus of several disciplines including kinesiology, neuroscience and rehabilitation. However, given the different traditions of these fields, this interdisciplinarity can be a challenge when trying to interpret evidence and claims from motor learning experiments. To address this issue, we offer a set of ten guidelines for designing motor learning experiments starting from task selection to data analysis, primarily from the viewpoint of running lab-based experiments. The guidelines are not intended to serve as rigid rules, but instead to raise awareness about key issues in motor learning. We believe that addressing these issues can increase the robustness of work in the field and its relevance to the real-world.

运动学习是包括运动机能学、神经科学和康复学在内的几个学科的中心焦点。然而,鉴于这些领域的不同传统,当试图解释运动学习实验的证据和主张时,这种跨学科性可能是一个挑战。为了解决这个问题,我们提供了一套从任务选择到数据分析的设计运动学习实验的十条指导方针,主要是从运行实验室实验的角度出发。这些指导方针并不是要成为严格的规则,而是要提高人们对运动学习中关键问题的认识。我们相信,解决这些问题可以增加该领域工作的稳健性及其与现实世界的相关性。
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引用次数: 2
The influence of goal-directed reaching distance on standing postural control variability in non-disabled individuals 目标指向到达距离对非残疾个体站立姿势控制变异性的影响
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i2.272
J. Ilha, Mayara B. Récchia, C. C. do Espírito Santo, M. Pereira, N. Pereira
BACKGROUND: Performing everyday standing tasks is relevant to the individuals independence. It is a challenging postural action that requires upper extremity (UE) movements to interact with objects of the environment. Postural movement variability is a strategy of the postural system for exploring postural boundaries during the action. The distance to the target to be reached may affect the variability in postural control parameters.AIM: To test if the variability in postural control parameters is enhanced by reaching beyond the UE-length during a goal-directed standing task.METHOD: Twelve non-disabled adult individuals performed reaching to turn on a light switch (target) while standing, which was placed at 100% and 130% of the UE-length distance. The kinetic data were recorded using a force plate during the UE movement, and the centre of pressure (CoP) displacement variability index was calculated.RESULTS: The variability index of the CoP displacement for reaching was greater at the distance of 130% of UE-length compared to 100% in both anterior-posterior and medial-lateral directions (p = 0.019). No differences in time to complete the task were observed.CONCLUSION: Postural system increases the variability in postural controlling variable CoP displacement for reaching beyond the UE-length while standing. This movement variability helps individuals explore the boundaries of this standing action and may be useful for learning processes and counterbalancing postural disturbances.
背景:执行日常站立任务与个体独立性有关。这是一个具有挑战性的姿势动作,需要上肢(UE)运动与环境中的物体进行交互。姿势运动变异性是姿势系统在动作过程中探索姿势边界的一种策略。到达目标的距离可能会影响姿势控制参数的可变性。目的:测试在目标导向站立任务中,超过ue长度是否会增强姿势控制参数的可变性。方法:12名非残疾成人在站立时伸手打开灯开关(目标),并将其放置在100%和130%的ue长度距离上。在UE运动过程中使用力板记录动力学数据,并计算压力中心(CoP)位移变异性指数。结果:在前-后和中-外侧方向上,到达CoP位移的变异性指数在ue -长度的130%处大于100% (p = 0.019)。在完成任务的时间上没有观察到差异。结论:站立时,体位系统增加了体位控制变量CoP位移的可变性。这种运动可变性有助于个体探索这种站立动作的边界,可能对学习过程和平衡姿势干扰有用。
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引用次数: 2
Effects of the different distributed practice regimes on the learning of three-ball cascade juggling task 不同分布练习制度对三球级联杂耍任务学习的影响
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i1.268
José E. M. Luz, Henrique D. Santos, G. Bonuzzi
BACKGROUND: In its majority, the literature supports the superiority of distributed practice compared to massed practice on motor learning outcomes. However, inconsistencies in some findings claim for more efforts on this topic.AIM: We aimed to elucidate potential mechanisms that would support the distinct results between the different distributed practice regimes (among days and within-one-day).METHOD: Ninety participants, aged 18-25 years (45 men, 45 women) were randomly divided into 3 groups: Massed practice group (MASSED) - 30 minutes of practice without rest/ one day; Within-one-day distributed practice group (WITHIN) – 6 blocks of 5 minutes of practice interspersed by 3 minutes of rest/ one day; and, Among days distributed practice group (AMONG) – 3 blocks of 10 minutes of practice divided into 3 consecutive days. They practiced the three-ball cascade juggling task. The number of catches was the dependent variable. There was a retention test (absolute retention and savings analyses) after 24 hours from the acquisition phase.RESULTS: We identified that AMONG demonstrated higher absolute retention than WITHIN and MASSED. Both distributed practice regimes demonstrated better savings than MASSED.CONCLUSION: Our results showed that distributed practice regimes enhance consolidation processes and information processing that benefit motor learning.
背景:大多数文献都支持分布式练习在运动学习效果上优于大规模练习。然而,一些发现的不一致性要求在这个主题上付出更多的努力。目的:我们的目的是阐明潜在的机制,支持不同的分布式实践制度之间的不同结果(几天内和一天内)。方法:90名年龄在18-25岁之间的参与者(男45人,女45人)随机分为3组:密集练习组(Massed)——每天30分钟不休息练习;一天内分配练习组(WITHIN) -每天6次,每次5分钟练习,中间间隔3分钟休息;每日分配练习组(Among)——每组10分钟练习3次,连续3天。他们练习了三球级联杂耍任务。渔获量是因变量。在获取阶段的24小时后进行留存率测试(绝对留存率和节省分析)。结果:我们发现AMONG的绝对保留率高于WITHIN和MASSED。两种分布式实践制度都比大规模实践制度表现出更好的节约效果。结论:我们的研究结果表明,分布式练习机制可以增强巩固过程和信息处理,从而有利于运动学习。
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引用次数: 2
Insights on the practice schedule role on performance under a hierarchical system view 在分级系统视图下,对实践进度在性能上的作用的洞察
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i1.274
U. Corrêa, Ulysses A. Okada, Herbert Ugrinowitsch, R. N. Benda
BACKGROUND: A theoretical background of hierarchical open systems has emerged as an alternative for explaining consistency and adaptability as complementary in the same motor skill related-structure at different levels of analysis.AIM: Based on original supporting evidence, this paper presents and discusses how an adoption of such background allows theoretical and methodological insights on the role of practice schedule on performance.METHOD: Sixteen unexperienced individuals of both sexes performed 240 trials of the golf putting task over three days. They were randomly divided into four experimental groups: CO3 (performed trials at a distance of 3.0 m from the target); CO3i (performed all trials at a distance of 3.0 m from the target with a 9º incline on the last meter of the mini-golf putting); CO4 (performed all trials at a distance of 4.0 m from the target); and, VAR (performed all trials under these conditions in a counterbalanced order).RESULTS: All groups improved the performances related to the task goal, but in a different way by considering the frequencies of golf putting in different performance zones. Results also showed that the constant groups (CO3, CO3i and CO4) modified the macrostructures in different dimensions over practice, while VAR group only altered the microstructure.CONCLUSION: The distinct effects of the practice schedules on motor skill structure formation were only inferred because of adopting the hierarchical system view. Based on this background, it was possible to speculate that each practice schedule drives differently the formation of a motor control structure. 
背景:分层开放系统的理论背景已经出现,作为解释一致性和适应性在不同分析水平上互补的相同运动技能相关结构的另一种选择。目的:基于原始的支持证据,本文提出并讨论了如何采用这样的背景,使理论和方法上的见解,练习计划对绩效的作用。方法:16名没有经验的男性和女性在三天内完成了240次高尔夫推杆任务。随机分为4个实验组:CO3组(在距离目标3.0 m处进行试验);CO3i(在迷你高尔夫推杆的最后1米,以9º倾斜度距离目标3.0米进行所有试验);CO4(所有试验均在距离目标4.0 m处进行);VAR(在这些条件下以平衡顺序进行所有试验)。结果:各组均提高了与任务目标相关的表现,但考虑到不同表现区的高尔夫球推杆频率,其方式有所不同。结果还表明,CO3、CO3i和CO4恒定组在实践中对宏观组织有不同维度的改变,而VAR组仅对微观组织有改变。结论:训练计划对运动技能结构形成的显著影响只是由于采用了层次系统的观点而推断出来的。基于这一背景,可以推测,不同的练习日程驱动不同的电机控制结构的形成。
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引用次数: 1
Editorial: The Role of Practice in Motor Skill Acquisition: New Issues, the Same Question 社论:练习在运动技能习得中的作用:新问题,同样的问题
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i2.314
M. Pacheco
Practice is necessary but not sufficient for learning. Why is that the case? In this editorial, I invite the readers to consider what is the role of practice in motor skill acquisition and to read the contributions of well-known researchers in the area to this special issue. Through a summary of the diverse offered opinions, I provide a potential heuristic view that demonstrates what are the new venues on the theme. As it seems, the question remains unanswered and challenges to answer it abound. This special issue sets the starting point for a needed research agenda on the theme.
练习对学习是必要的,但不是充分的。为什么会这样呢?在这篇社论中,我邀请读者思考练习在运动技能习得中的作用,并阅读该领域知名研究人员对本期特刊的贡献。通过对不同观点的总结,我提供了一个潜在的启发式观点,展示了什么是主题上的新场所。看起来,这个问题仍然没有答案,要回答这个问题的挑战比比皆是。本期特刊为这一主题的必要研究议程奠定了起点。
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引用次数: 0
Extensive practice in motor learning: An overview and future directions 运动学习的广泛练习:综述与未来方向
Pub Date : 2022-06-01 DOI: 10.20338/bjmb.v16i2.279
V. L. S. Profeta, Herbert Ugrinowitsch
Extensive practice is observed when performance reaches a plateau despite practice continuation. Although extensive practice promotes better results in retention tests, its status regarding transfer tests is not clear. The Adaptive Process Approach states that transfer will benefit from extensive practice. In turn, the Specificity of Practice Hypothesis states that transfer may be harmed after extensive practice. Each perspective has been around for 30 years, accumulating enough information to support its claims. However, they have not been directly contrasted, and each perspective has independently developed its methodological strategy to understand the role of extensive practice in motor learning. Therefore, it is possible that results supporting the perspectives are by-products of their methodological strategies, providing narrow validation limits to both perspectives. In order to better understand the effects of extensive practice on transfer, it is necessary to contrast the Adaptive Process Approach with the Specificity of Practice Hypothesis in a single and unifying methodological framework.
尽管继续练习,但当表现达到平台期时,可以观察到广泛的练习。虽然广泛的实践促进了保留测试取得更好的结果,但其在转移测试方面的地位尚不清楚。适应性过程方法指出,广泛的实践将使迁移受益。反过来,实践的特殊性假说指出,在广泛的实践后,迁移可能会受到损害。每种观点都存在了30年,积累了足够的信息来支持其主张。然而,它们并没有直接对比,每一种观点都独立地发展了自己的方法策略,以理解广泛练习在运动学习中的作用。因此,支持这两种观点的结果可能是其方法学策略的副产品,为这两种观点提供了狭窄的验证限制。为了更好地理解广泛实践对迁移的影响,有必要将适应性过程理论与实践特异性假说在一个统一的方法论框架中进行对比。
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引用次数: 1
期刊
Brazilian journal of motor behavior
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