Gait Posture. 2012 Jul;36(3):449-53.
A. Michalski, C.M. Glazebrook, A.J. Martin, W.W.N. Wong, A.J.W. Kim, K.D. Moody, N.M. Salbach, B. Steinnagel, J. Andrysek, R. Torres-Moreno, K.F. Zabjek
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Showing posts with label postural activity. Show all posts
Showing posts with label postural activity. Show all posts
Friday, 3 August 2012
Saturday, 28 April 2012
Postural activity and motion sickness during video game play in children and adults
EXPERIMENTAL BRAIN RESEARCH
Volume 217, Number 2 (2012), 299-309,
Chih-Hui Chang, Wu-Wen Pan, Li-Ya Tseng and Thomas A. Stoffregen
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Abstract Research has confirmed that console video games give rise to motion sickness in many adults. During exposure to console video games, there are differences in postural activity (movement of the head and torso) between participants who later experience motion sickness and those who do not, confirming a prediction of the postural instability theory of motion sickness. Previous research has not addressed relations between video games, movement and motion sickness in children. We evaluated the nauseogenic properties of a commercially available console video game in both adults and 10-year-old children. Individuals played the game for up to 50 min and were instructed to discontinue immediately if they experienced any symptoms of motion sickness, however mild. During game play, we monitored movement of the head and torso. Motion sickness was reported by 67% of adults and by 56% of children; these rates did not differ. As a group, children moved more than adults. Across age groups, the positional variability of the head and torso increased over time during game play. In addition, we found differences in movement between participants who later reported motion sickness and those who did not. Some of these differences were general across age groups but we also found significant differences between the movement of adults and children who later reported motion sickness. The results confirm that console video games can induce motion sickness in children and demonstrate that changes in postural activity precede the onset of subjective symptoms of motion sickness in children.
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Volume 217, Number 2 (2012), 299-309,
Chih-Hui Chang, Wu-Wen Pan, Li-Ya Tseng and Thomas A. Stoffregen
+/- Click for more/less
Abstract Research has confirmed that console video games give rise to motion sickness in many adults. During exposure to console video games, there are differences in postural activity (movement of the head and torso) between participants who later experience motion sickness and those who do not, confirming a prediction of the postural instability theory of motion sickness. Previous research has not addressed relations between video games, movement and motion sickness in children. We evaluated the nauseogenic properties of a commercially available console video game in both adults and 10-year-old children. Individuals played the game for up to 50 min and were instructed to discontinue immediately if they experienced any symptoms of motion sickness, however mild. During game play, we monitored movement of the head and torso. Motion sickness was reported by 67% of adults and by 56% of children; these rates did not differ. As a group, children moved more than adults. Across age groups, the positional variability of the head and torso increased over time during game play. In addition, we found differences in movement between participants who later reported motion sickness and those who did not. Some of these differences were general across age groups but we also found significant differences between the movement of adults and children who later reported motion sickness. The results confirm that console video games can induce motion sickness in children and demonstrate that changes in postural activity precede the onset of subjective symptoms of motion sickness in children.
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The Nintendo Wii Fit™ may provide an affordable alternative to traditional biofeedback or virtual reality systems for retraining or improving motor function in populations with impaired balance. The purpose of this study was to evaluate postural control strategies healthy individuals use to play Wii Fit™ videogames. Sixteen young adults played 10 trials of Ski Slalom and Soccer Heading respectively. Centre of pressure (COP) excursion and three-dimensional movement data were acquired to determine variability in medial–lateral COP sway and shoulder–pelvic movement. While there was no difference in medial–lateral COP variability between games during trial 1, there was a significant difference after 10 trials. COP sway increased (59–75mm) for Soccer Heading while it decreased (67–33mm) for Ski Slalom from trial 1 to trial 10. During Ski Slalom participants demonstrated decreased shoulder and pelvic movement combined with increased pelvic–shoulder coupling. Conversely, participants demonstrated greater initial shoulder tilt when playing Soccer Heading, with no reduction in pelvic rotation and tilt. Participants decreased pelvic and trunk movements when skiing, suggesting a greater contribution of lower extremity control while they primarily used a trunk strategy to play Soccer Heading.
Highlights
► We evaluated the balance control strategies adopted when participants played the Wii Fit™.
► Distinct strategies emerged with increased experience playing the Soccer Heading and Ski Slalom games. ► With experience centre of pressure variability increased for Soccer Heading and decreased for Ski Slalom games.
► When playing Soccer Heading participants demonstrated greater shoulder tilt.
► When playing Ski Slalom participants demonstrated increased pelvic–shoulder coupling.
Keywords: Balance control, Balance training, Centre of pressure
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