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Medicina is published by MDPI from Volume 54 Issue 1 (2018). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on mdpi.com as a courtesy and upon agreement with Lithuanian Medical Association, Lithuanian University of Health Sciences, and Vilnius University.
Open AccessArticle

Dependence of Reaction Time and Movement Speed on Task Complexity and Age

1
Faculty of Sports Biomedicine, Lithuanian Sports University
2
St. Ignatius of Lojola College
3
Department of Rehabilitation, Medical Academy, Lithuanian University of Health Science, Lithuania
*
Author to whom correspondence should be addressed.
Medicina 2013, 49(1), 4; https://doi.org/10.3390/medicina49010004
Received: 21 June 2012 / Accepted: 31 January 2013 / Published: 5 February 2013
The aim of this study was to determine the differences in reaction time, reaction complexity, and movement speed depending on age.
Material and Methods
. The study included 40 healthy subjects (20 young and 20 older women and men). The study was conducted at the Human Motorics Laboratory, Lithuanian Sports University. An analyzer DPA-1 of dynamic upper and lower limb movements was used for the research purposes.
Results
. The reaction time of the right arm of the young subjects was 0.26 s (SD, 0.01) and that of the left arm was 0.25 s (SD, 0.02), when an accuracy task was performed. The reaction time of the older subjects was 0.29 s (SD, 0.03) and 0.28 s (SD, 0.03) for the right and left arms, respectively. The reaction time of the right leg of the young subjects was 0.26 s (SD, 0.02) and that of the left leg was 0.27 s (SD, 0.03). The reaction time of the right and left legs of the older subjects was 0.33 s (SD, 0.02) and 0.35 s (SD, 0.04), respectively. The reaction of the young subjects was almost two times faster compared with the older persons after the accuracy task with each limb was accomplished.
Conclusions
. In case of movements with arms and legs, reaction time and movement speed directly depend on the complexity of a task. Reaction time and movement speed are slower for the older subjects in comparison with the young ones; the results worsen in proportion to the increasing complexity of a task.
Keywords: reaction time; movement speed; complexity of a task reaction time; movement speed; complexity of a task
MDPI and ACS Style

Darbutas, T.; Juodžbalienė, V.; Skurvydas, A.; Kriščiūnas, A. Dependence of Reaction Time and Movement Speed on Task Complexity and Age. Medicina 2013, 49, 4.

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