Human Movement Science最新文献_第7页

Focus on the process or outcome? It depends on the task goal 关注过程还是结果？这取决于任务目标。

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-10-01 DOI: 10.1016/j.humov.2025.103416

Kevin A. Becker , Nicholas A. Levine , Christopher A. Aiken

An abundance of research supports an external focus enhancing motor performance relative to an internal focus. However, this blanket recommendation loses some nuance of what types of external cues might be most effective. Some studies have compared a proximal and distal external focus, but this comparison is often confounded by differences in both spatial and temporal distance. In the present study, we aimed to determine how internal and external focus cues that direct attention to either the process or outcome of the movement (i.e., differing in temporal distance, but not spatial distance) impacted hex bar deadlift performance. Twenty-four participants (16 females) experienced in strength training performed hex bar deadlifts with 60 % of their self-reported 1RM. Familiarization trials were followed by conditions using an internal-process (IP), internal-outcome (IO), external-process (EP), and external-outcome (EO) focus presented in a counterbalanced order. Peak velocity, average velocity, and vertical bar displacement were subjected to repeated measures ANOVAs to test for differences due to focus. Peak velocity was impacted by focus with an EP leading to higher values than IO and IP. For average velocity EP had higher values than IO, and approached higher values than IP. For vertical bar displacement, EO led to greater displacement than IO and IP, but did not differ from EP. The present findings suggest EP was most effective for enhancing velocity (primary goal), but EO maximized displacement. These differing findings suggest that the best external focus cues are those which most closely align with important task goals.

大量的研究支持外部焦点相对于内部焦点增强运动表现。然而，这种笼统的建议忽略了哪些类型的外部线索可能是最有效的。一些研究比较了近端和远端外焦，但这种比较经常被空间和时间距离的差异所混淆。在本研究中，我们的目的是确定内部和外部焦点线索如何将注意力引导到运动的过程或结果（即，不同的时间距离，但不是空间距离）影响内六角杆硬举的表现。24名有力量训练经验的参与者（16名女性）进行了六杠硬举，其中60%的人自我报告的1RM。在熟悉性试验之后，以平衡顺序呈现内部过程（IP）、内部结果（IO）、外部过程（EP）和外部结果（EO）焦点。峰值速度、平均速度和竖杆位移采用重复测量方差分析（anova）来检验因聚焦而产生的差异。峰值速度受到焦点的影响，EP导致的值高于IO和IP。平均流速EP值高于IO值，且接近于IP值。对于竖杆位移，EO导致的位移大于IO和IP，但与EP没有差异。目前的研究结果表明，EP在提高速度（主要目标）方面最有效，而EO在最大位移方面最有效。这些不同的发现表明，最好的外部注意力线索是那些与重要任务目标最密切相关的线索。

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引用次数: 0

Self-selected movement patterns during lateral locomotion with body weight support 在身体重量支持下进行横向运动时的自我选择运动模式。

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-09-29 DOI: 10.1016/j.humov.2025.103412

Kenji Masumoto , Matthew Heninger , Natalia Pravica , Katsiaryna Afanasyeva , Emma Foley , Alina Swafford , John A. Mercer

The purpose of this study was to investigate metabolic cost, muscle activity, and perceptual responses during lateral and forward locomotion at different BWS levels at individual's preferred speed. Twelve participants performed lateral and forward locomotion on a lower body positive pressure treadmill at 0 %BWS, 20 %BWS, and 50 %BWS conditions at mode-specific preferred speed. Oxygen uptake, muscle activity, stride frequency, rating of perceived exertion (RPE), and feeling scale were measured during the tests. Oxygen uptake was influenced by the interaction of BWS and direction (P < 0.001). Muscle activity (rectus femoris, biceps femoris, tibialis anterior, and gastrocnemius), stride frequency, and RPE during locomotion at 50 %BWS were averages of 23.7 %, 6.8 %, and 0.8 rankings lower than that of locomotion at 20 %BWS, respectively, regardless of direction (P < 0.05). Feeling scale value during locomotion at 50 %BWS was significantly higher than that of locomotion at 20 %BWS, regardless of direction (P < 0.01). During lateral locomotion, rectus femoris muscle activity was an average of 27.2 % lower and stride frequency was an average of 23.7 % greater than that of forward locomotion, regardless of BWS (P < 0.01). Furthermore, preferred speed during lateral locomotion was an average of 49.9 % lower than that of forward locomotion, regardless of BWS (P < 0.001). However, muscle activity (biceps femoris, tibialis anterior, and gastrocnemius), RPE, and feeling scale were similar between directions, regardless of BWS (P > 0.05). Our observations suggest that individuals self-selected their locomotion speed and stride frequency and induced similar magnitude of muscle activity from the lower extremity and perceptual responses during lateral locomotion and forward locomotion, regardless of BWS.

本研究的目的是研究个体在不同的BWS水平和首选速度下横向和向前运动时的代谢消耗、肌肉活动和知觉反应。12名参与者分别在0% BWS、20% BWS和50% BWS条件下，以特定模式的首选速度在下体正压跑步机上进行横向和正向运动。在测试期间测量了摄氧量、肌肉活动、步频、感知运动等级（RPE）和感觉量表。摄氧量受BWS和方向的相互作用影响（p0.05）。我们的观察结果表明，个体自我选择他们的运动速度和跨步频率，并诱导来自下肢的肌肉活动和感知反应在横向运动和向前运动时相似的幅度，而不考虑BWS。

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引用次数: 0

The effects of strategic self-talk with consideration of attentional focus on discrete motor task performance 考虑注意焦点的策略自言自语对离散运动任务绩效的影响

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-09-27 DOI: 10.1016/j.humov.2025.103413

Jack J. Sampson , Phillip G. Post , Christopher A. Aiken

The self-talk matching hypothesis predicts that instructional self-talk is more effective for tasks involving precision and accuracy, and that motivational self-talk is more effective for tasks involving endurance, strength, and power (Theodorakis et al., 2000). Around 60 % of self-talk interventions support these differential effects predictions (Hardy et al., 2018). Attentional focus research may strengthen the matching hypothesis, where an external focus has been shown to improve performance and facilitate learning for a variety of motor tasks (Chua et al., 2021). It has been postulated that instructional self-talk impacts performance though attentional mechanisms (Galanis & Hatzigeorgiadis, 2020). Infusing internal and external attentional focus into instructional self-talk may allow more consistent performance differences to emerge between instructional and motivational self-talk. The purpose of the present study was to compare instructional self-talk with internal and external foci to motivational self-talk. 36 participants (Male = 10, Female = 26; M = 20.65 years) completed 60 dart throws in a counter-balanced order, with 15 occurring under each of four conditions: control (CON), internal-instructional self-talk (IIST), external-instructional self-talk (EIST), and motivational self-talk (MST). Performance was measured through mean radial error (MRE) for accuracy and bivariate variable error (BVE) for consistency. For a within-subjects design, data were analyzed with separate one-way repeated measures ANOVAs with four levels (i.e., CON, IIST, EIST, and MST) for each dependent variable. EIST and MST had significantly less MRE than IIST (p < .05). Results suggest that incorporating external focus into instructional self-talk may benefit discrete motor task performance.

自我对话匹配假说预测，指导性自我对话在涉及精确和准确性的任务中更有效，而动机性自我对话在涉及耐力、力量和力量的任务中更有效（Theodorakis et al., 2000）。大约60%的自我对话干预支持这些差异效应预测（Hardy et al., 2018）。注意焦点研究可能会加强匹配假设，其中外部焦点已被证明可以提高各种运动任务的表现并促进学习（Chua et al., 2021）。据推测，教学自我对话通过注意机制影响绩效（Galanis & Hatzigeorgiadis, 2020）。在教学性自言自语中注入内部和外部注意焦点可能会使教学性自言自语和动机性自言自语之间出现更一致的表现差异。本研究的目的是比较内部和外部焦点的教学性自我对话与动机性自我对话。36名参与者（男10人，女26人，男20.65岁）按平衡顺序完成60次飞镖投掷，其中在控制（CON）、内部指导性自我对话（IIST）、外部指导性自我对话（EIST）和激励性自我对话（MST）四种条件下各15次。通过平均径向误差（MRE）和双变量误差（BVE）来衡量准确性和一致性。对于受试者内设计，对每个因变量分别采用四个水平（即CON、IIST、EIST和MST）的单因素重复测量方差分析。EIST和MST的MRE显著低于IIST （p < 0.05）。结果表明，将外部焦点纳入教学自言自语可能有利于离散运动任务的表现。

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引用次数: 0

Cortical rhythms associated with early postural stabilization during the transition from the double-leg to the single-leg stance 在从双腿站立到单腿站立的过渡过程中，与早期姿势稳定相关的皮质节律

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-08-31 DOI: 10.1016/j.humov.2025.103401

Yuji Nishioka , Yoshiki Tanaka , Nobuhiro Kito , Akihiro Matsuura

Objective

Previous studies have demonstrated that the cerebral cortex is involved in the postural responses to static standing and disturbances. However, the role of the cortex in postural stabilization remains unclear. This study aimed to clarify cortical activity during postural stabilization.

Methods

Thirteen healthy adult subjects performed a transition from the double-leg stance to the single-leg stance. The tasks were classified as −1–0 s (T1) to 3–4 s (T5), and the relationship between the power spectrum of the alpha and beta bands of the electroencephalogram (EEG) and the center of pressure (COP) or time to stabilization (TTS) was examined. The subjects were also divided into the low-TTS and high-TTS groups based on TTS, and EEG findings were compared between groups.

Results

While COP parameters showed no significant correlation with EEG findings, TTS shortening was associated with a decrease in the alpha power at T2 (0–1 s) and an increase in the beta power at T5. Low-TTS group also showed a decrease in the alpha power compared with high-TTS group. Furthermore, low-TTS group showed an increase in beta power at T5 compared with T1, and high-TTS group showed a decrease in beta power at T5 compared with T3 (1–2 s).

Conclusion

Our findings indicate that the cerebral cortex contributes to faster postural stabilization. Furthermore, the results suggest that the decrease in alpha power is the cortical activity that stabilizes the posture, and the increase in beta power is the cortical activity that maintains a stable posture.

目的以往的研究表明，大脑皮层参与了静态站立和干扰的姿势反应。然而，皮层在姿势稳定中的作用仍不清楚。本研究旨在阐明姿势稳定过程中的皮质活动。方法13名健康成人受试者从双腿站立过渡到单腿站立。将任务划分为- 1-0 s (T1) ~ 3-4 s (T5)，并检测脑电图α、β波段功率谱与压力中心（COP）或稳定时间（TTS）的关系。根据TTS水平将受试者分为低TTS组和高TTS组，并比较各组脑电图结果。结果COP参数与脑电图无显著相关性，TTS缩短与T2 （0-1 s）时α功率降低、T5时β功率升高相关。与高tts组相比，低tts组的α功率也有所下降。低tts组在T5时β功率较T1升高，高tts组在T5时β功率较T3降低（1 ~ 2 s）。结论我们的研究结果表明，大脑皮层有助于更快的姿势稳定。此外，研究结果表明，α能量的下降是稳定姿势的皮层活动，而β能量的增加是维持姿势稳定的皮层活动。

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引用次数: 0

Bases for the selection of alternate foot placement during straight- and turning-gait 在直步和转步中选择交替脚位的基础

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-08-27 DOI: 10.1016/j.humov.2025.103402

Nicholas Kreter , Peter C. Fino

Humans typically plan foot placement strategy multiple steps in advance when walking across complex terrain. Planning steps in advance is beneficial for both upright stability and forward progress, but one drawback is that new obstacles can make planned foot placement location unsafe between planning and execution, necessitating a rapid shift to foot placement that impacts both stability and progress. This study investigates the selection of alternate foot placement during both straight- and turning-gait. Thirteen healthy young adults walked along a virtually projected walkway with precision footholds oriented in either a straight line or with a single 60°, 90°, or 120° step or spin turn to the right. Step turns are turns where the rotation of the body occurs while the outside limb is in contact with the ground, whereas spin turns pivot over the inside limb. On a subset of trials, participants were required to rapidly avoid stepping on select footholds. Hierarchical bootstrapping analyses revealed stereotyped alternate foot placement strategies across turn angles that differed between step turns and spin turns. Specifically, alternate foot placement for step turns aligned with the person's approach trajectory when they identified a new obstacle, regardless of turn angle; whereas alternate foot placement for disrupted spin turns aligned with the person's future turn trajectory. We conclude that when humans are forced to rapidly alter previously developed motor plans for foot placement, they utilize a rapid stereotyped behavior that changes based on the demand of the turn.

在复杂的地形上行走时，人类通常会提前多步规划脚的放置策略。提前计划步骤对直立稳定性和向前进步都是有益的，但一个缺点是新的障碍会使计划好的脚放置位置在计划和执行之间变得不安全，需要快速转移到脚放置位置，从而影响稳定性和进步。本研究探讨了直立和转身步态中交替足部放置的选择。13名健康的年轻人沿着一条虚拟投影的人行道行走，这些人行道的精确立足点可以是一条直线，也可以是一个60°、90°或120°的单步或向右旋转。步转是指身体在外侧肢体接触地面时的旋转，而自旋是指身体在内侧肢体上的旋转。在一部分试验中，参与者被要求迅速避免踩在选定的立足点上。分层自举分析揭示了跨步转和自旋转不同转角的刻板交替足部放置策略。具体来说，当他们识别到一个新的障碍物时，无论转弯角度如何，交替的脚位置都与人的接近轨迹保持一致；然而，交替的脚位置打乱旋转转身与人的未来转弯轨迹对齐。我们的结论是，当人类被迫快速改变先前发展的足部运动计划时，他们利用快速的刻板行为，根据转弯的需要改变。

{"title":"Bases for the selection of alternate foot placement during straight- and turning-gait","authors":"Nicholas Kreter , Peter C. Fino","doi":"10.1016/j.humov.2025.103402","DOIUrl":"10.1016/j.humov.2025.103402","url":null,"abstract":"<div><div>Humans typically plan foot placement strategy multiple steps in advance when walking across complex terrain. Planning steps in advance is beneficial for both upright stability and forward progress, but one drawback is that new obstacles can make planned foot placement location unsafe between planning and execution, necessitating a rapid shift to foot placement that impacts both stability and progress. This study investigates the selection of alternate foot placement during both straight- and turning-gait. Thirteen healthy young adults walked along a virtually projected walkway with precision footholds oriented in either a straight line or with a single 60°, 90°, or 120° step or spin turn to the right. Step turns are turns where the rotation of the body occurs while the outside limb is in contact with the ground, whereas spin turns pivot over the inside limb. On a subset of trials, participants were required to rapidly avoid stepping on select footholds. Hierarchical bootstrapping analyses revealed stereotyped alternate foot placement strategies across turn angles that differed between step turns and spin turns. Specifically, alternate foot placement for step turns aligned with the person's approach trajectory when they identified a new obstacle, regardless of turn angle; whereas alternate foot placement for disrupted spin turns aligned with the person's future turn trajectory. We conclude that when humans are forced to rapidly alter previously developed motor plans for foot placement, they utilize a rapid stereotyped behavior that changes based on the demand of the turn.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"103 ","pages":"Article 103402"},"PeriodicalIF":1.9,"publicationDate":"2025-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144902957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Transfer of motor learning in a motion-controlled video game is better facilitated using rotations of the torso rather than movements of the center of pressure as a controller 在动作控制的视频游戏中，使用躯干的旋转而不是作为控制器的压力中心的运动，更容易促进运动学习的转移

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-08-27 DOI: 10.1016/j.humov.2025.103400

Vasileios Mylonas , Paris Mavromoustakos Blom , Vassilios Panoutsakopoulos , Nick Stergiou , Thomas Nikodelis

Despite growing interest in motion-controlled video games for rehabilitation, the mechanisms that facilitate transfer of motor learning in such situations remain poorly understood. This study examined the transfer of motor learning in a video game task controlled either via center of pressure (CoP) displacement or through torso rotations. For this purpose, during the game, participants controlled an aircraft in vertical and horizontal axes and had to fly through 100 ring-shaped targets. Twenty-one participants were randomly divided into two experimental groups. The first group (CoP-Tor) played first the game controlling the aircraft with CoP displacements and then the one with torso rotations. The second group (Tor-CoP) played the games in reverse order. Spatial errors were calculated between the player's position and the targets to quantify game performance. Sample entropy of the CoP displacement was calculated to quantify repeatability in postural sway variability. Our results showed that spatial errors were significantly lower in the CoP-controlled game for the Tor-CoP group compared to the CoP-Tor group. The Tor-CoP group also exhibited lower repeatability values in the CoP-controlled game compared to the CoP-Tor group. Our results suggested a directional transfer of motor learning from the Tor-controlled game to the CoP-controlled game, because performance improved in the CoP-controlled game when it was played after a Tor-controlled game. The entropy results suggested that the improved CoP-controlled game performance was also followed by a more repeatable pattern of movement variability. Overall, our findings suggest that torso-related training can improve CoP control possibly by increasing the repeatability of movement variability.

尽管人们对运动控制的视频游戏在康复治疗中的作用越来越感兴趣，但在这种情况下促进运动学习转移的机制仍然知之甚少。本研究考察了通过压力中心（CoP）位移或躯干旋转控制的视频游戏任务中运动学习的转移。为此，在游戏中，参与者在垂直和水平方向上控制一架飞机，并必须飞过100个环形目标。21名参与者被随机分为两个实验组。第一组（CoP- tor）首先玩的游戏是控制飞机的CoP位移，然后是躯干旋转。第二组（Tor-CoP）按相反的顺序玩游戏。通过计算玩家位置和目标之间的空间误差来量化游戏表现。计算CoP位移的样本熵以量化姿势摇摆可变性的重复性。我们的研究结果表明，Tor-CoP组在cop控制游戏中的空间错误明显低于CoP-Tor组。与CoP-Tor组相比，Tor-CoP组在cop控制的游戏中也表现出较低的重复性值。我们的研究结果表明，运动学习从tor控制的游戏向cop控制的游戏有方向性转移，因为在tor控制的游戏之后，cop控制的游戏的表现有所改善。熵值结果表明，改进的cop控制的游戏表现也伴随着更可重复的移动可变性模式。总的来说，我们的研究结果表明，躯干相关的训练可能通过增加运动可变性的可重复性来改善CoP控制。

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引用次数: 0

Learning the front crawl by observation: Comparing self- and other-models 通过观察学习前爬：自我模型和他人模型的比较

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-08-20 DOI: 10.1016/j.humov.2025.103398

Carola Minkels , John van der Kamp , Peter J. Beek

Background

Observational learning is widely used in skill learning, with self-modeling (i.e., viewing oneself perform at a higher level than currently possessed) emerging as a promising method with potential direct effects through attention/information processes, as well as indirect motivational benefits. However, prior research has yielded mixed results regarding its effectiveness in children learning motor skills and whether its effects are direct, indirect, or both.

Objective

This study compared the effects of self-modeling, self-observation (i.e., viewing oneself perform at the current level), peer-modeling (i.e., viewing a peer perform at a higher level than the learner), and a control group on front crawl learning and motivation in children aged 5–9 years. The aim of this comparison was to disentangle the direct attentional/informational effects from the indirect motivational effects of self-modeling and observational learning on learning outcomes.

Methods

Sixty-seven children participated in an eight-week intervention, randomly assigned to one of the four groups. Before practicing the front crawl, participants watched instruction videos featuring either themselves at the same skill level (i.e., self-observation), themselves at a higher skill level (i.e., self-modeling), a peer (i.e., peer-modeling), or a control video of Shrek (control).

Results

All three observational learning interventions led to significantly greater improvements in swimming time than the control group, in the absence of significant differences between the observational interventions. No significant differences were found in motivational beliefs between the four groups. Mediation analyses revealed significant direct effects of all three observational interventions on improvements in swimming time, with no evidence of indirect effects through motivational beliefs.

Conclusion

It appears that, regardless of the model used, observational learning improves children's front crawl learning, but not their motivational beliefs. The effects of observational learning seem to be predominantly direct, enhancing attention and information processing.

观察学习在技能学习中被广泛应用，自我建模（即观察自己在比目前拥有的更高水平上的表现）是一种很有前途的方法，它通过注意/信息过程产生潜在的直接影响，以及间接的激励效益。然而，先前的研究得出了不同的结果，关于它对儿童学习运动技能的有效性，以及它的影响是直接的，间接的，还是两者兼而有之。目的比较5 ~ 9岁儿童前爬学习动机的影响：自我模仿、自我观察（观察自己在当前水平上的表现）、同伴模仿（观察同伴在比自己高水平上的表现）和对照组。本比较的目的是将自我建模和观察学习对学习结果的直接注意/信息效应与间接动机效应分开。方法67名儿童参加为期8周的干预，随机分为四组。在练习爬泳之前，参与者观看了指导视频，其中包括自己处于相同技能水平（即自我观察）、自己处于较高技能水平（即自我建模）、同伴（即同伴建模）或史莱克的对照视频（对照）。结果三种观察性学习干预对游泳时间的改善均显著大于对照组，观察性学习干预之间无显著差异。四组之间的动机信念没有显著差异。中介分析显示，所有三种观察性干预措施对游泳时间的改善都有显著的直接影响，没有证据表明动机信念会产生间接影响。结论无论采用何种学习模式，观察学习都能提高儿童的前爬学习能力，但对其动机信念没有作用。观察学习的效果似乎主要是直接的，增强了注意力和信息处理。

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引用次数: 0

Kinematic and kinetic characteristics of graphomotor skills in children with neurodevelopmental disorders: The impact of DCD, ADHD, and ASD traits 神经发育障碍儿童书写运动技能的运动学和动力学特征：DCD、ADHD和ASD特征的影响

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-08-18 DOI: 10.1016/j.humov.2025.103388

Shin Kataoka , Akio Nakai , Satoshi Nobusako

Interest in the development of handwriting skills has been increasing; however, there is no consensus on the handwriting abilities of children with developmental coordination disorder (DCD), attention-deficit/hyperactivity disorder (ADHD), and autism spectrum disorder (ASD), and the specific handwriting characteristics associated with each neurodevelopmental disorder remain unclear. This exploratory study examined the preliminary associations between graphomotor skills and neurodevelopmental traits in 17 children (aged 7–11 years) diagnosed with DCD, ADHD, or ASD. The evaluation included handwriting fluency assessments, kinematic/kinetic analyses, and assessments of neurodevelopmental disorder traits. The participants performed tracing tasks involving straight lines, sine waves, and triangular waves using the TraceCoder® system. Graphomotor kinematic/kinetic parameters, including deviation from the baseline, pen pressure, velocity, acceleration, jerk, and area, were quantified. Fluency was assessed using the Understanding Reading and Writing Skills of Schoolchildren II test. Neurodevelopmental traits were evaluated using the DCD Questionnaire, ADHD Rating Scale, and Autism Spectrum Quotient. Increased DCD, ADHD and ASD traits were correlated with deteriorations in graphomotor parameters, such as greater deviation, and increased acceleration, jerk, and pen pressure. In contrast, higher ASD traits were associated with improvements in handwriting fluency. These preliminary findings suggest that graphomotor characteristics may vary depending on specific neurodevelopmental traits, underscoring the potential value of tailored assessments and interventions.

对书写技能发展的兴趣一直在增加；然而，关于发育性协调障碍（DCD）、注意缺陷/多动障碍（ADHD）和自闭症谱系障碍（ASD）儿童的书写能力尚无共识，而且每种神经发育障碍的具体书写特征仍不清楚。本探索性研究调查了17名被诊断为DCD、ADHD或ASD的儿童（7-11岁）的书写运动技能和神经发育特征之间的初步联系。评估包括书写流畅性评估、运动学/动力学分析和神经发育障碍特征评估。参与者使用TraceCoder®系统执行涉及直线、正弦波和三角波的跟踪任务。测量笔运动的运动学/动力学参数，包括与基线的偏差、笔压力、速度、加速度、震动和面积。流利程度是通过学童理解阅读和写作技能II测试来评估的。使用DCD问卷、ADHD评定量表和自闭症谱系商评估神经发育特征。DCD、ADHD和ASD特征的增加与书写运动参数的恶化相关，如更大的偏差、加速、抽搐和笔压的增加。相反，更高的ASD特征与书写流畅性的提高有关。这些初步发现表明，笔迹运动特征可能因特定的神经发育特征而异，强调了量身定制评估和干预的潜在价值。

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引用次数: 0

Inter-limb gait asymmetry in people with Parkinson's disease 帕金森病患者的肢间步态不对称

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-08-14 DOI: 10.1016/j.humov.2025.103399

Fabio Augusto Barbieri , Débora da Silva Fragoso de Campos , Claudiane Arakaki Fukuchi , Layla Cupertino , Nathalia Mendes Pellegrino , Emanuele Los Angeles , Daniel Boari Coelho

Gait asymmetry is a hallmark of Parkinson's disease (PD), contributing to instability, increased fall risk, and reduced quality of life. While spatiotemporal asymmetry has been widely studied, limited research has examined joint kinematic asymmetries throughout the gait cycle, particularly in both ON- and OFF-medication states. This study evaluated inter-limb asymmetry in lower limb angular kinematics during walking in individuals with PD compared to neurologically healthy older adults. Twenty-three individuals with PD and 18 healthy older adults participated. PD participants were evaluated in ON- and OFF-medication states. A motion capture system recorded angular kinematics of the hip, knee, ankle, and pelvis during a 10-m walk. Spatiotemporal gait parameters, including step length and stride time, were analyzed alongside joint angular displacement. Statistical Parametric Mapping (SPM) assessed temporal asymmetries between the more and less affected sides. Healthy older adults exhibited no significant asymmetry in joint kinematics. People with PD showed kinematic asymmetries, in both ON and OFF-states, for hip (34 % and 47 % of gait cycle, respectively), knee (30 % and 23 % of gait cycle, respectively), and ankle (29 % of gait cycle – only in OFF-state) movements. Medication had limited effects on reducing kinematic asymmetries. People with PD showed angular asymmetries in the hip, knee, and ankle during different gait cycle phases in ON and OFF states. Detecting significant asymmetry in lower limb angular kinematics suggests that therapeutic approaches should be tailored to address specific inter-limb differences.

步态不对称是帕金森病（PD）的一个标志，导致不稳定、跌倒风险增加和生活质量下降。虽然时空不对称已被广泛研究，但在整个步态周期中，特别是在开药和停药状态下，对关节运动学不对称的研究有限。本研究评估了PD患者与神经健康老年人在行走过程中下肢角运动的肢体间不对称性。23名PD患者和18名健康老年人参与了研究。PD参与者在开药和停药状态下进行评估。运动捕捉系统记录了10米步行过程中髋关节、膝关节、踝关节和骨盆的角度运动学。分析了关节角位移的时空步态参数，包括步长和步幅。统计参数映射（SPM）评估了多侧和少侧受影响的时间不对称性。健康老年人在关节运动方面没有明显的不对称性。PD患者在开状态和关状态下均表现出髋关节（分别占步态周期的34%和47%）、膝关节（分别占步态周期的30%和23%）和踝关节（仅在关状态下占步态周期的29%）运动的运动学不对称。药物治疗对减少运动不对称的效果有限。PD患者在开启和关闭状态下的不同步态周期阶段，髋关节、膝关节和踝关节表现出角度不对称。检测下肢角度运动学的显著不对称性表明治疗方法应针对特定的肢体间差异进行定制。

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引用次数: 0

The utility of the MABC-2 for measuring motor impairment in children with ADHD: Examining measurement invariance in children with and without symptoms of ADHD MABC-2用于测量ADHD儿童运动障碍的效用：检查有和无ADHD症状儿童的测量不变性

IF 1.9 3区心理学 Q4 NEUROSCIENCES

Human Movement Science

Pub Date : 2025-08-06 DOI: 10.1016/j.humov.2025.103389

M. Bourke , M.Y. Kwan , K. Fortnum , M. O'Flaherty , S. King-Dowling , J. Cairney

It is important to screen for motor impairments in ADHD due to high comorbidity, yet little is known about the validity of established and standardized motor assessment batteries in children with symptoms of ADHD. Therefore, this study aimed to determine the utility of using the Movement Assessment Battery for Children – 2nd Edition (MABC-2) in children aged 7–9 years with symptoms of ADHD. To achieve this, measurement invariance of the MABC-2 was examined between children with and without symptoms of ADHD. A total of 479 children (n = 277 boys, n = 387 white, n = 66 with ADHD), participated in this study. Children were classified as having ADHD through parental report on the Conner's Parent Rating Scales. Measurement invariance was assesses using a multi-group CFA. A three correlated factor model (Manual Dexterity, Throwing and Catching, Balance) fit the data extremely well (RMSEA = 0.030, SRMR = 0.030, CFI = 0.987, TLI = 0.981) and configural, metric, scalar, and partial strict invariance was demonstrated between children with and without ADHD. These results provide evidence to support the use of the MABC-2 to assess motor impairments in children with symptoms ADHD.

由于ADHD的高合并症，对其进行运动障碍筛查是很重要的，但对于ADHD症状儿童中已建立和标准化的运动评估电池的有效性知之甚少。因此，本研究旨在确定在7-9岁有ADHD症状的儿童中使用儿童运动评估系列-第二版（MABC-2）的效用。为了实现这一点，在有和没有ADHD症状的儿童之间检查了MABC-2的测量不变性。共479例儿童（男孩277例，白人387例，ADHD 66例）参与本研究。通过康纳父母评定量表的父母报告，儿童被分类为多动症。使用多组CFA评估测量不变性。三相关因子模型（手工灵巧度、投掷接球能力、平衡性）与数据拟合非常好（RMSEA = 0.030, SRMR = 0.030, CFI = 0.987, TLI = 0.981）， ADHD儿童与非ADHD儿童的构形、度量、标量和部分严格不变量均存在差异。这些结果为支持使用MABC-2来评估ADHD症状儿童的运动障碍提供了证据。

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