Effects of practice on a mechanical horse with an online feedback on performing a sitting postural coordination.
Abstract: The present research aims at quantifying the impact of practicing a new coordination pattern with an online visual feedback on the postural coordination performed on a mechanical horse. Forty-four voluntary participants were recruited in this study. They were randomly assigned to four practice groups based on i) with or without feedback (i.e., group 1, control, did not receive the feedback; group 2, 3 and 4 received an online feedback during practice) and ii) the specific trunk/horse coordination to target during practice (group 1, target coordination = 180° (without feedback); group 2, target coordination = 0°; group 3, target coordination = 90°; group 4, target coordination = 180°). All participants performed pre-, practice, post- and retention sessions. The pre-, post- and retention sessions consisted of four trials, with one trial corresponding to one specific target coordination to maintain between their own oscillations and the horse oscillations (spontaneous, 0°, 90°, and 180°). The practice phase was composed of three different sessions during which participants received an online feedback about the coordination between their own oscillations and the horse oscillations. Results showed a significant change with practice in the trunk/horse coordination patterns which persisted even after one month (retention-test). However, all the groups did not show the same nature of change, evidenced by a high postural variability during post-test for 0° and 90° target coordination groups, in opposition to the 180° and spontaneous groups who showed a decrease in coordination variability for the 180° group. The coordination in anti-phase was characterized as spontaneously adopted by participants on the mechanical horse, explaining the ease of performing this coordination (compared to the 0° and 90° target coordination). The effect of online visual feedback appeared not only on the coordination pattern itself, but most importantly on its variability during practice, including concerning initially stable coordination patterns.
Publication Date: 2020-10-23 PubMed ID: 33095774PubMed Central: PMC7584198DOI: 10.1371/journal.pone.0236205Google Scholar: Lookup
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- Journal Article
- Research Support
- Non-U.S. Gov't
Summary
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This research examines the influence of continuous visual feedback during practice on a mechanical horse on a person’s sitting postural coordination. Participants were separated into different groups using this feedback in different ways and it was found that practice with feedback led to changes in coordination patterns that persisted for at least one month.
Research Methodology
- This study involved forty-four volunteer participants who were divided randomly into four different practice groups based on whether they received feedback and the specific trunk/horse coordination being targeted.
- The control group did not receive feedback. For the groups that did receive feedback, the target coordination varied as: 0°, 90°, and 180°.
- Each participant went through pre-practice, practice, post-practice, and retention sessions, which all involved four trials.
Structure of Practice and Sessions
- The pre-practice, post-practice, and retention sessions consisted of four trials which required participants to maintain a certain level of coordination between their own oscillations and the oscillations of the mechanical horse.
- The practice phase was composed of three different sessions. During these sessions, participants received immediate feedback about the coordination between their own oscillations and the horse’s oscillations.
Observations and Findings
- Results showed that there was a significant change in the trunk/horse coordination patterns of the participants who received feedback during practice. This change persisted after a month, marking potential long-term effects of practice with feedback.
- The nature of change differed between groups. Maximum postural variability was observed in post-test for the 0° and 90° target coordination groups, while the 180° and spontaneous groups saw a decrease in coordination variability.
- It was also found that the anti-phase coordination was spontaneously adopted by participants on the mechanical horse, indicating it as a more natural coordination pattern than the 0° and 90° target coordination patterns.
- The study also brought to light how online visual feedback influenced not only the coordination pattern but also its variability during practice, even among initially stable coordination patterns.
Cite This Article
APA
Baillet H, Leroy D, Vérin E, Delpouve C, Boulanger J, Benguigui N, Komar J, Thouvarecq R.
(2020).
Effects of practice on a mechanical horse with an online feedback on performing a sitting postural coordination.
PLoS One, 15(10), e0236205.
https://doi.org/10.1371/journal.pone.0236205 Publication
Researcher Affiliations
- Normandie Univ, UNIROUEN, CETAPS, Rouen, France.
- Normandie Univ, UNIROUEN, CETAPS, Rouen, France.
- Normandie Univ, UNIROUEN, Rouen, France.
- Rouen University Hospital, Rouen, France.
- CRMPR Les Herbiers Rehabilitation Center, Bois-Guillaume, France.
- Lille 1 University, Villeneuve d'Ascq, France.
- Normandie Univ, UNICAEN, CESAMS, Caen, France.
- National Institute of Education Nanyang Technological University, Singapore, Singapore.
- Normandie Univ, UNIROUEN, CETAPS, Rouen, France.
MeSH Terms
- Adolescent
- Adult
- Animals
- Attention
- Biomechanical Phenomena
- Feedback
- Horses
- Humans
- Motor Activity / physiology
- Online Systems
- Postural Balance
- Practice, Psychological
- Psychomotor Performance
- Sitting Position
- Torso
- Young Adult
Conflict of Interest Statement
The authors have declared that no competing interests exist.
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