Motor Experts Care about Consistency and Are Reluctant to Change Motor Outcome

Kast, Volker; Leukel, Christian

doi:10.1371/journal.pone.0161798

Cited by 8 publications

(4 citation statements)

References 13 publications

(41 reference statements)

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“…Darts experts showed a decreased variability compared to control groups which confirms that consistency (i.e. low variability) is a suitable marker of expertise 28,37 . Moreover, we found that transfer rates are correlated with variability and expertise.…”

Section: Discussionsupporting

confidence: 61%

Inter-task transfer of prism adaptation depends on exposed task mastery

Fleury

Pastor

Revol

et al. 2020

Sci Rep

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The sensorimotor system sets up plastic alterations to face new demands. Terms such as adaptation and learning are broadly used to describe a variety of processes underlying this aptitude. The mechanisms whereby transformations acquired to face a perturbation generalize to other situations or stay context-dependent remain weakly understood. Here, we compared the performance of hand pointing vs throwing to visual targets while facing an optical shift of the visual field (prismatic deviation). We found that the transfer of compensations was conditioned by the task performed during exposure to the perturbation: compensations transferred from pointing to throwing but not at all from throwing to pointing. Additionally, expertise on the task performed during exposure had a marked influence on the amount of transfer to the non-exposed task: throwing experts (dart players) remarkably transferred compensations to the pointing task. Our results reveal that different processes underlying these distinct transfer properties may be at work to face a given perturbation. Their solicitation depends on mastery for the exposed task, which is responsible for different patterns of inter-task transfer. An important implication is that transfer properties, and not only after-effects, should be included as a criterion for adaptation. At the theoretical level, we suggest that tasks may need to be mastered before they can be subjected to adaptation, which has new implications for the distinction between learning and adaptation.

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Section: Discussionsupporting

confidence: 61%

Inter-task transfer of prism adaptation depends on exposed task mastery

Fleury

Pastor

Revol

et al. 2020

Sci Rep

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“…As a result, both novices and experts could adapt to the visuomotor rotation (Figure 3). Previous studies on motor learning in the upper limb movements have demonstrated that sensorimotor experience of task-related movements had an effect on motor learning of visuomotor rotation (Leukel et al, 2015;Kast and Leukel, 2016;Hewitson et al, 2020). It has been shown that experts rely on explicit strategies more than novices during adaptation (Leukel et al, 2015;Hewitson et al, 2020).…”

Section: Discussionmentioning

confidence: 99%

Visuomotor Adaptation of Lower Extremity Movements During Virtual Ball-Kicking Task

Moriyama

Kouzaki²,

Hagio³

2022

Front. Sports Act. Living

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Sophisticated soccer players can skillfully manipulate a ball with their feet depending on the external environment. This ability of goal-directed control in the lower limbs has not been fully elucidated, although upper limb movements have been studied extensively using motor adaptation tasks. The purpose of this study was to clarify how the goal-directed movements of the lower limbs is acquired by conducting an experiment of visuomotor adaptation in ball-kicking movements. In this study, healthy young participants with and without experience playing soccer or futsal performed ball-kicking movements. They were instructed to move a cursor representing the right foot position and shoot a virtual ball to a target on a display in front of them. During the learning trials, the trajectories of the virtual ball were rotated by 15° either clockwise or counterclockwise relative to the actual ball direction. As a result, participants adapted their lower limb movements to novel visuomotor perturbation regardless of the soccer playing experience, and changed their whole trajectories not just the kicking position during adaptation. These results indicate that the goal-directed lower limb movements can be adapted to the novel environment. Moreover, it was suggested that fundamental structure of visuomotor adaptation is common between goal-directed movements in the upper and lower limbs.

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“…It is important to note that not all types of players, according to their experience level, might similarly benefit from augmented feedback. In previous studies it was demonstrated that augmented feedback was differently processed and deployed for learning by subjects with different experience levels in handball (Blazhenets, Kurz, Frings, Leukel, & Meyer, 2020; Kast & Leukel, 2016; Leukel, Gollhofer, & Taube, 2015). Thus, it might well be that different groups of subjects might utilize augmented feedback about the jumping height differently, resulting in different outcomes of jumping behaviour.…”

Section: Discussionmentioning

confidence: 99%

Applying augmented feedback in basketball training facilitates improvements in jumping performance

Leukel

Gollhofer

2022

European Journal of Sport Science

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Augmented feedback, which is feedback about movement characteristics provided by an external source, can facilitate performance improvements. Results from recent studies, in which information about the jumping height were presented, indicated increased jumping performance due to augmented feedback. In the present study we aimed to utilize augmented feedback about the jumping height in regular basketball training. Therefore, augmented feedback was implemented and part of the training regime, and information about the jumping height was displayed while subjects performed catch and shoot exercises with the basketball. 18 subjects (9 with augmented feedback, 9 without augmented feedback) practiced for 3 weeks (9 training sessions). The subjects receiving augmented feedback, but not subjects in the control group, displayed increased jumping heights of countermovement-jumps and drop-jumps after the training. The ground contact times of countermovement-jumps and drop-jumps were not significantly changed after training. The number of successful hits, indicating ball performance, did also not change after training. Thus augmented feedback had no detrimental effect on sport-specific performance. The unchanged ground contact times of drop-jumps in combination with increased jumping heights indicate increased efficiency of stretch shortening cycle contractions. According to the positive effect of augmented feedback on jumping performance and the simplicity with which it was integrated into the training regime we recommend this method for regular basketball training. Highlights. Augmented feedback about the jumping height in basketball training facilitated jumping height of countermovement-jumps and drop-jumps. . The ground contact times were not altered, suggesting increased efficiency of the stretchshortening cycle during jumping. . According to the positive effect and its simple implementation augmented feedback is recommended for regular basketball training.

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Motor Experts Care about Consistency and Are Reluctant to Change Motor Outcome

Cited by 8 publications

References 13 publications

Inter-task transfer of prism adaptation depends on exposed task mastery

Inter-task transfer of prism adaptation depends on exposed task mastery

Visuomotor Adaptation of Lower Extremity Movements During Virtual Ball-Kicking Task

Applying augmented feedback in basketball training facilitates improvements in jumping performance

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