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The influence of tactile feedback on hand movement accuracy

100%
Polechoński J., Olex-Zarychta D.
Human Movement
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2012
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vol. 13
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issue 3
236-241
EN
Purpose. This study aimed at measuring the reaction of the hand when tactile feedback was impaired in upper extremity motor performance in order to empirically evaluate how precision was affected during visually controlled hand and arm movement. Methods. 26 right-handed young male adults were tested with the use of a line tracking task by means of Schuhfried’s Vienna Test System. Tactile feedback during line tracking task was impaired by the use of different gloves: a chirurgical latex glove, a rubber glove and a thick work glove made of soft animal leather. Results. The results found a strong relationship between hand movement accuracy and the degree of tactile impairment; no significant relationship was found between tactile impairment and movement speed. Limiting tactile feedback was found to influence motor task accuracy during local wrist movements (using only the carpal and palm joints), while tasks that allowed global movement (both wrist and forearm) were found to have accuracy influenced only when tactile feedback was highly impaired (line tracking with the thick leather glove). Conclusions. The results have indicated that the role of tactile feedback on accuracy during visually-guided precision movement is far greater than previously reported.
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Energy Expenditure and Intensity of Interactive Video Dance Games according to Health Recommendations

61%
Polechoński J., Mynarski W., Garbaciak W., Fredyk A., Rozpara M., Nawrocka A.
Central European Journal of Sport Sciences and Medicine
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2018
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vol. 24
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issue 4
35-43
EN
Backround: The aim of this study was the assessment of energy expenditure (EE) and the intensity of physical activity (PA) of adult women during the interactive dance video game (IDVG) Dance Central on Xbox 360 Kinect in the context of health recommendations. Methods: Twenty eight intentionally selected women (mean ± SD age: 21.8±1.1 years, body height: 167.3±6.1cm, body mass: 59.3±5.9 kg, body mass index: 21.2±1.3) met the inclusion criteria and took part in to the experiment. Heart rate monitor, accelerometer, and pedometer were used as measurement tools. Participants performed the same easy dance routine three times (for a total of 10 min.). Trials consisted of imitating the motions presented by the virtual dancer. Results: The data from accelerometer and heart rate monitor were similar, and indicated the moderate intensity of interactive dance video game (IDVG) Dance Central. However, energy expenditure assessed by pedometer was significantly lower. Conclusion: IDVG Dance Central may be useful in increasing the daily dose of physical activity of adult women and meet the health-related recommendations provided its regular practice.
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