Human Movement Science最新文献

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Can children at risk for developmental coordination disorder step-clap to the beat? Evidence from an online motion tracking study 有发育性协调障碍风险的儿童能跟着节拍拍手吗?来自一项在线运动追踪研究的证据
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-07-25 DOI: 10.1016/j.humov.2025.103387
Chantal Carrillo , Dobromir Dotov , Laurel J. Trainor
{"title":"Can children at risk for developmental coordination disorder step-clap to the beat? Evidence from an online motion tracking study","authors":"Chantal Carrillo ,&nbsp;Dobromir Dotov ,&nbsp;Laurel J. Trainor","doi":"10.1016/j.humov.2025.103387","DOIUrl":"10.1016/j.humov.2025.103387","url":null,"abstract":"<div><div>Developmental coordination disorder (DCD) is a neurodevelopmental disorder involving deficits in motor coordination. Recent evidence has shown children at risk for DCD have associated auditory timing perception and auditory-motor synchronization deficits, but it remains unclear how these deficits would appear in full-body coordination tasks, particularly as DCD is often associated with gross motor impairments such as balance and gait. Current interventions for DCD focus on motor training alone, although preliminary findings suggest that motor interventions with rhythmic auditory cueing may confer additional benefit. To investigate auditory-motor synchronization during full-body coordination, we tested whether children aged 9–12 at risk for DCD could synchronize a step-clap dance step to various auditory stimuli using online data collection. Frequency analysis of the tracked head, hands, and feet showed that children at risk for DCD perform the dance step overall slower compared to typically developing children. Cross-correlations of the movements to an interpolated harmonic wave representing the auditory beats showed the group at risk for DCD were less coordinated to the auditory beat compared to typically developing children at the fast tempi, but that both groups performed similarly at slower tempi. Additionally, both groups were more coordinated and less variable at slower compared to faster tempi. These results indicating better performance in children at risk for DCD at slower auditory tempi are important for informing decisions on auditory stimuli during the design of auditory-motor interventions for DCD.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103387"},"PeriodicalIF":1.6,"publicationDate":"2025-07-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144702217","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
Higher entropy in movements may promote enhanced upper limb motor precision 运动中较高的熵可能促进上肢运动精度的提高
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-07-09 DOI: 10.1016/j.humov.2025.103368
Kolby J. Brink , Tyler M. Wiles , Nick Stergiou , Aaron D. Likens
{"title":"Higher entropy in movements may promote enhanced upper limb motor precision","authors":"Kolby J. Brink ,&nbsp;Tyler M. Wiles ,&nbsp;Nick Stergiou ,&nbsp;Aaron D. Likens","doi":"10.1016/j.humov.2025.103368","DOIUrl":"10.1016/j.humov.2025.103368","url":null,"abstract":"<div><div>The Optimal Movement Variability Hypothesis posits that healthy movements exhibit an optimal structure of variability, characterized by fractal patterns, which confer both stability and flexibility in motor control. This optimal, fractally-structured, variability has been associated with reduced metabolic cost during walking and enhanced resilience to perturbations. However, the full extent of the potential benefits of this variability remains largely unexplored. Our study aims to investigate whether training sessions involving movement synchronization to a variable fractally structured auditory cueing device can also enhance dexterity and reduce miss percentage in a Fitts' law task. Twenty-four participants were randomly assigned to three groups: two groups received training involving wrist oscillations synchronized to an auditory cue with a fractal structure or self-paced wrist oscillations without a cue, while the third group received no training. Following four training sessions, the training groups completed a post-Fitts' Law task to assess any improvements in dexterity, while the untrained group completed the post-Fitts' Law task two weeks after their initial assessment. The results indicated that all groups improved accuracy, although there was no enhancement in the speed of striking the targets. Contrary to our hypothesis, the fractally structured auditory cued training group did not demonstrate superior performance compared to the self-paced and no-training groups. However, subjects who showed improvement on the post-Fitts' Law task exhibited higher movement sample entropy during the training task, irrespective of the training group they were in. These results suggest that while a generalized fractal variability training program may not enhance dexterity for young adults, individuals with high movement unpredictability may possess a greater capability for motor learning.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103368"},"PeriodicalIF":1.6,"publicationDate":"2025-07-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144588552","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
Effect of a novel exercise program on the development of motor skills in children with sensory processing disorders (SPD) 一种新型运动项目对感觉加工障碍儿童运动技能发展的影响
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-07-07 DOI: 10.1016/j.humov.2025.103384
Qichang Mei , Rui Yang , Zitong Guo , Shandana Zeb , Bernard X.W. Liew , Justin Fernandez , Lin Yu
{"title":"Effect of a novel exercise program on the development of motor skills in children with sensory processing disorders (SPD)","authors":"Qichang Mei ,&nbsp;Rui Yang ,&nbsp;Zitong Guo ,&nbsp;Shandana Zeb ,&nbsp;Bernard X.W. Liew ,&nbsp;Justin Fernandez ,&nbsp;Lin Yu","doi":"10.1016/j.humov.2025.103384","DOIUrl":"10.1016/j.humov.2025.103384","url":null,"abstract":"<div><div>SPD is a neurodevelopmental disorder affecting healthy development and daily functioning. This study investigated the effect of a six-week exercise intervention on gross motor development in SPD group using a controlled trial design with intervention and control groups. Fifty-four children joined this study, categorized into the SPD group receiving therapeutic exercise and the TD (Typically Developing) control group receiving regular physical training. Scores were evaluated pre- and post-intervention using TGMD-3 to assess gross motor development, and further evaluated the scores of the intervention group post-intervention and the control group prior to normal training. Results revealed significantly higher composite, locomotor skills, and ball skills scores in the TD control group than the SPD group pre-intervention, however both groups showed significant improvements in composite scores and the locomotor skills and ball skills scores from pre- to post-intervention. The TD control group showed significantly higher composite scores and ball skills scores post-intervention than the SPD group but not locomotor skills scores. The differences between the TD control group and SPD group reduced substantially post-intervention. SPD group significantly improved physical fitness, motor skills, and expressive abilities. The intervention significantly promoted gross motor development, suggesting that customized exercise programs could improve motor function. Interventions shall focus on enhancing sensory function and promoting gross motor development. Exercise intervention is crucial in improving gross motor function and should be integrated into rehabilitation programs as an essential component.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103384"},"PeriodicalIF":1.6,"publicationDate":"2025-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144572661","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
Impact of attentional focus and action verbs on bench press performance 注意焦点和动作动词对卧推性能的影响
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-07-01 DOI: 10.1016/j.humov.2025.103385
Mitchell Finlay , David Marchant , Christina Langley , Thomas Simpson
{"title":"Impact of attentional focus and action verbs on bench press performance","authors":"Mitchell Finlay ,&nbsp;David Marchant ,&nbsp;Christina Langley ,&nbsp;Thomas Simpson","doi":"10.1016/j.humov.2025.103385","DOIUrl":"10.1016/j.humov.2025.103385","url":null,"abstract":"<div><div>Verbal instructions that direct an individual's attention are crucial for optimising movement and performance. While previous research has consistently demonstrated that an external focus of attention enhances motor performance more effectively than an internal focus of attention, the role of action verbs embedded within attentional focus instructions remains unexplored. This study aimed to assess how different action verbs (push vs. punch) and attentional focus (external vs. internal) influence bench press velocity. Twenty-six physically active participants familiar with the bench press technique completed four conditions: EF-push, EF-punch, IF-push, and IF-punch. Each condition involved performing bench press repetitions with specific verbal instructions. Results indicated that both external focus conditions led to significantly greater bar velocities compared to internal focus conditions, supporting the constrained action hypothesis. Additionally, the action verb “punch” resulted in higher bar velocities than “push,” suggesting that action words influence motor performance in maximal effort tasks. No significant interaction effects were found between attentional focus and action verbs, indicating that their effects on performance are independent. These findings highlight the importance of using externally focused instructions and carefully chosen action words to enhance performance in strength and conditioning tasks. The study contributes to our understanding of how instructional cues can optimise resistance exercise performance and suggests practical applications for coaches and practitioners in designing effective training interventions.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103385"},"PeriodicalIF":1.6,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144518526","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
Corrigendum to "Multifractality in postural sway supports quiet eye training in aiming tasks: A study of golf putting" [Human Movement Science, (2025) 103341. https://doi.org/10.1016/j.humov.2025.103341]. “姿势摇摆中的多重分形支持瞄准任务中的静眼训练:高尔夫推杆的研究”的勘误表[人类运动科学,(2025)103341]。https://doi.org/10.1016/j.humov.2025.103341]。
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-06-21 DOI: 10.1016/j.humov.2025.103383
Noah Jacobson, Quinn Berleman-Paul, Madhur Mangalam, Damian G Kelty-Stephen, Christopher Ralston
{"title":"Corrigendum to \"Multifractality in postural sway supports quiet eye training in aiming tasks: A study of golf putting\" [Human Movement Science, (2025) 103341. https://doi.org/10.1016/j.humov.2025.103341].","authors":"Noah Jacobson, Quinn Berleman-Paul, Madhur Mangalam, Damian G Kelty-Stephen, Christopher Ralston","doi":"10.1016/j.humov.2025.103383","DOIUrl":"https://doi.org/10.1016/j.humov.2025.103383","url":null,"abstract":"","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":" ","pages":"103383"},"PeriodicalIF":1.6,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144369599","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
Effects of prosthetic ankle stiffness on adaptation to uneven terrain in individuals with unilateral transtibial amputation 假体踝关节刚度对单侧胫骨截肢患者适应不平坦地形的影响
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-06-20 DOI: 10.1016/j.humov.2025.103371
A.S. Voloshina , S.H. Collins , A. Seyfarth
{"title":"Effects of prosthetic ankle stiffness on adaptation to uneven terrain in individuals with unilateral transtibial amputation","authors":"A.S. Voloshina ,&nbsp;S.H. Collins ,&nbsp;A. Seyfarth","doi":"10.1016/j.humov.2025.103371","DOIUrl":"10.1016/j.humov.2025.103371","url":null,"abstract":"<div><h3>Background</h3><div>Uneven terrain poses significant locomotor challenges for individuals with unilateral transtibial amputation, affecting both gait kinetics and kinematics. Moreover, prosthetic devices are often prescribed for level-ground, although optimal device characteristics, such as stiffness, may vary depending on the terrain.</div></div><div><h3>Research question</h3><div>This study evaluated the interactions between prosthesis stiffness and walking surface height variability on step characteristics and joint mechanics.</div></div><div><h3>Methods</h3><div>Nine individuals with unilateral transtibial amputation participated in the study. Participants walked over a modifiable uneven terrain walkway to create even, low variability, and high variability terrain. On all terrains, participants used ankle-foot prostheses of three different stiffness levels: soft, medium, or stiff. We recorded gait kinetics and kinematics using two in-ground force platforms beneath the walkway and a motion-capture camera system.</div></div><div><h3>Results</h3><div>Terrain variability and prosthesis stiffness affected multiple biomechanical measures, but did not demonstrate any interaction effects between each other. Terrain influenced step parameters such as width, length, and variability measures, while device stiffness affected mean step width and length. Terrain and device stiffness did not significantly affect joint moments or positive joint work. However, stiffness affected the difference in peak ankle and hip moments between the affected and unaffected limbs. Terrain and stiffness effects were present in negative ankle and hip work measures.</div></div><div><h3>Significance</h3><div>On average, individuals with amputation exhibited relatively small changes in joint dynamics when walking on uneven terrain compared to level ground. Additionally, device stiffness had only minor effects on gait outcomes in response to changes in surface. These results suggest that varying ankle stiffness may not be an effective strategy for reducing joint loading or improving gait symmetry during uneven terrain walking.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103371"},"PeriodicalIF":1.6,"publicationDate":"2025-06-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144330363","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
The influence of exercise-induced fatigue on neuromuscular control strategies during lifting tasks: A muscle synergy study based on wavelet packet transform 运动疲劳对举重运动中神经肌肉控制策略的影响:基于小波包变换的肌肉协同研究
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-06-18 DOI: 10.1016/j.humov.2025.103382
Zixin Wang , Chenxi Hu , Yanfeng Li , Xue Chen , Xianzhi Gao , Jiaqi Zhang , Bo Huo
{"title":"The influence of exercise-induced fatigue on neuromuscular control strategies during lifting tasks: A muscle synergy study based on wavelet packet transform","authors":"Zixin Wang ,&nbsp;Chenxi Hu ,&nbsp;Yanfeng Li ,&nbsp;Xue Chen ,&nbsp;Xianzhi Gao ,&nbsp;Jiaqi Zhang ,&nbsp;Bo Huo","doi":"10.1016/j.humov.2025.103382","DOIUrl":"10.1016/j.humov.2025.103382","url":null,"abstract":"<div><div>Repetitive lifting-related low back pain is a significant health issue among workers, in which fatigue is generally identified as a critical risk factor. However, there is currently a lack of research on the effects of exercised induced fatigue on neuromuscular control patterns, which can be identified through muscle synergy based on the signals of surface electromyographic (sEMG). This study employs a wavelet packet transform (WPT) combined with non-negative matrix factorization (NNMF) to investigate the lifting task from the perspective of muscle synergy and to explore the characteristics of muscle synergy patterns under exercise-induced fatigue. Eleven participants were recruited to perform a repetitive lifting task until subjective fatigue. Utilizing the NNMF method, three modules associated with the lifting task were identified. Notably, the module primarily involving the TA and LES exhibited a higher activation level, indicating that this module requires greater neural resource regulation. However, the effect of fatigue on muscle synergy was not found in NNMF method. Additionally, the WPT-NNMF method revealed that the effects of fatigue on different frequency bands and synergy modules were inconsistent. Overall, as the frequency band increased, the impact of exercise-induced fatigue on muscle synergy intensified, with a more pronounced effect observed in the module characterized by TA and LES compared to the other two modules.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103382"},"PeriodicalIF":1.6,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144306775","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
Detecting optimal gaze behavior of successful basketball free throwing via machine learning system 基于机器学习系统的篮球罚球最佳凝视行为检测
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-06-13 DOI: 10.1016/j.humov.2025.103381
Ayoub Asadi , Afkham Daneshfar , Mohammad R. Saeedpour-Parizi , Christopher A. Aiken , Ann Smiley
{"title":"Detecting optimal gaze behavior of successful basketball free throwing via machine learning system","authors":"Ayoub Asadi ,&nbsp;Afkham Daneshfar ,&nbsp;Mohammad R. Saeedpour-Parizi ,&nbsp;Christopher A. Aiken ,&nbsp;Ann Smiley","doi":"10.1016/j.humov.2025.103381","DOIUrl":"10.1016/j.humov.2025.103381","url":null,"abstract":"<div><div>Eye tracking in sport is an emerging field that explores the relationships between visual function and motor performance. However, research has shown that visual behaviors are distinct enough to detect superior performance; and serve as a suitable input for designing machine learning systems, few study has been tested yet the eye tracking machine learning in sport tasks. The current research investigated the eye movement behaviors for detecting successful performance using machine learning. The gaze behavior of 25 student basketball players during the hit and miss free- throwing's trials was collected and analyzed by statistical (JMP pro) and machine learning (Python) approaches. Results showed significant differences between saccade duration in hit and miss trials. In previous studies of free throwing, fixations were used as a measure of visual information processing, but our results showed that the metrics related to saccades were more important for successful performance than those related to fixations. These findings highlight the importance of eye tracking machine learning in sport domain and suggest that successful performance can be reliably predicted from performers' eye movement data. Our results provide primary insights as well as inspiration for future research focusing on developing eye-tracking machine learning systems to detect proficiency in motor skills.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103381"},"PeriodicalIF":1.6,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144271004","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
Quiet Eye Training in Virtual Reality and in the Real-World 虚拟现实和现实世界中的静眼训练
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-06-06 DOI: 10.1016/j.humov.2025.103370
Jayke B. Bennett, David L. Neumann, Matthew J. Stainer
{"title":"Quiet Eye Training in Virtual Reality and in the Real-World","authors":"Jayke B. Bennett,&nbsp;David L. Neumann,&nbsp;Matthew J. Stainer","doi":"10.1016/j.humov.2025.103370","DOIUrl":"10.1016/j.humov.2025.103370","url":null,"abstract":"<div><div>Virtual Reality (VR) may facilitate skill-learning in ways that have advantages over real-world training. QET was selected due to the wide implementation scope of training in VR, such as adaptive feedback and gaze cueing. Undergraduates who were novice to golf (<em>N</em> = 46) were randomly assigned into one of four conditions based on whether Quiet Eye Training (QET) was received or not, and whether subsequent golf putting practice occurred in the real-world (RW) or in VR. Participants had their golf putting performance and eye-gaze measured at baseline, post-training, and at a 1-week retention. Participants who received QET improved in their real-world putting performance, including number of putts holed and in radial error (distance between ball to hole) baseline-to-post, and baseline-to-retention, while their visuomotor behaviour was more similar to the expert. The performance improvement for QET participants was irrespective of whether they completed practice in VR or in the real-world. When putting in VR, participants who practiced their putting in the real-world (independent of training), improved in their radial error baseline-to-post and baseline-to-retention, while there was no improvement for participants who practiced in VR. The results suggest that QET may facilitate real-world golf putting performance improvement, irrespective of whether practice following the gaze training is conducted in VR or in the real-world. Further, real-world skills may transfer to VR environments, but that skills practiced in VR may need additional training to facilitate real-world performance improvement.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"102 ","pages":"Article 103370"},"PeriodicalIF":1.6,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144220833","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
Verbal arm swing instructions alter arm-leg interlimb coordination but not prefrontal cortex hemodynamics in people with Parkinson's disease 言语手臂摆动指示改变帕金森病患者的胳膊-腿间协调,但不改变前额叶皮层血流动力学
IF 1.6 3区 心理学
Human Movement Science Pub Date : 2025-06-01 DOI: 10.1016/j.humov.2025.103367
Vinicius Cavassano Zampier , Luis Mochizuki , Victor Spiandor Beretta , Vinicius de Belli , Lilian Teresa Bucken Gobbi , Fabio Augusto Barbieri , Diego Orcioli-Silva
{"title":"Verbal arm swing instructions alter arm-leg interlimb coordination but not prefrontal cortex hemodynamics in people with Parkinson's disease","authors":"Vinicius Cavassano Zampier ,&nbsp;Luis Mochizuki ,&nbsp;Victor Spiandor Beretta ,&nbsp;Vinicius de Belli ,&nbsp;Lilian Teresa Bucken Gobbi ,&nbsp;Fabio Augusto Barbieri ,&nbsp;Diego Orcioli-Silva","doi":"10.1016/j.humov.2025.103367","DOIUrl":"10.1016/j.humov.2025.103367","url":null,"abstract":"<div><div>Verbal instructions related to the arm swing amplitude and velocity change step gait behavior in people with Parkinson's disease (PwPD) and neurotypical individuals. However, how verbal instructions related to upper limb act on interlimb coordination and prefrontal cortex activation are not yet known. Therefore, the aim of this study was to investigate the effects of the instructions to increase arm swing amplitude and velocity during walking on prefrontal cortex (PFC) hemodynamics and arm-leg interlimb coordination in PwPD and neurotypical individuals. Fifteen PwPD and 13 neurotypical individuals walked over a 26.8 m pathway under three experimental conditions: usual walking, walking with increased arm swing amplitude, and walking with increased arm swing velocity. Gait step parameters, continuous relative phase and latency between arm and leg movements, and PFC hemodynamics were calculated. ANOVA two-way (groups x conditions) showed that the verbal instructions to increase arm swing amplitude and velocity during walking improved gait step parameters and arm-leg interlimb coordination, without changing PFC hemodynamics. Specifically, verbal instructions increased average continuous relative phase (F<sub>2,52</sub> = 45.5; <em>p</em> &lt; 0.001; ηp<sup>2</sup> = 0.63) and decreased the average relative phase variability (F<sub>2,52</sub> = 86.9; p &lt; 0.001; ηp<sup>2</sup> = 0.77) in both groups and decreased PwPD latency (F<sub>2,52</sub> = 3.5; <em>p</em> = 0.03; ηp<sup>2</sup> = 0.19). Verbal instructions also increased stride length (F<sub>2,52</sub> = 27.7; <em>p</em> &lt; 0.001; ηp<sup>2</sup> = 0.51) and velocity (F<sub>2,52</sub> = 46.6; p &lt; 0.001; ηp<sup>2</sup> = 0.64) and decreased double support phase in both groups. These results allow us to speculate that the engagement of the motor areas to follow the instructions and perform the ensuing action could be related to preservation of some automaticity and it is possible that the participants do not need to use their cognitive resources by increasing PFC activity to process and do the action.</div></div>","PeriodicalId":55046,"journal":{"name":"Human Movement Science","volume":"101 ","pages":"Article 103367"},"PeriodicalIF":1.6,"publicationDate":"2025-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144185958","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
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