Abstract
ABSTRACT This study aimed to make a systematic review of scientific articles on the planning of manual motor actions of typical and atypical children. To do so, a search of articles published between 1996 and 2017 was done on PubMed, LILACS, Science Direct, and SciElo databases. Original articles in English and Portuguese evaluating the planning of motor actions in typical and atypical children performing manual tasks were selected. For the analysis, the population age, number of children, type of task, main results, site of study and impact of the journal were considered. From the eighteen articles found, twelve were about typical children (from nine months old to twenty years old) and six about atypical children (from three to fourteen years old) diagnosed with autism, hemiplegic cerebral palsy, and developmental coordination disorders. In nine- to ten-year-old typical children, the planning ability of manual motor actions develops over the time and is similar to that of an adult. The atypical children showed motor planning ability lower than that of the typical children, and determining the age when this planning ability is acquired was not possible.
Highlights
Planning an action involves a complex process in which the individual selects a sequence of particular movements among infinite possibilities to perform an action[1,2]
This study is characterized as a systematic review, for which recruitment, selection and rigorous analysis of articles on the planning of manual motor actions of typical and atypical children were performed
Other four articles were added for appearing among the bibliographic references of some studies.eighteen articles were included in this systematic review: twelve with typical children and ten with atypical children
Summary
Planning an action involves a complex process in which the individual selects a sequence of particular movements among infinite possibilities to perform an action[1,2]. Among the numerous degrees of freedom to perform the same task, the individual must choose the most harmonic and simple motion strategy possible. Considering how a movement strategy or motion actions are determined, Rosenbaum et al.[6] observed individuals often adopt awkward postures at the beginning of a movement, so that they end up in a comfortable posture. This tendency to complete the action in a comfortable posture was titled end-state comfort. These awkward postures would be those in which joints stay distant from resting position, i.e., extreme joint angles[1,7]
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