Development of the Coordination between Posture and Manual Control

Autor/inn/en	Haddad, Jeffrey M.; Claxton, Laura J.; Keen, Rachel; Berthier, Neil E.; Riccio, Gary E.; Hamill, Joseph; Van Emmerik, Richard E. A.
Titel	Development of the Coordination between Posture and Manual Control
Quelle	In: Journal of Experimental Child Psychology, 111 (2012) 2, S.286-298 (13 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0022-0965
DOI	10.1016/j.jecp.2011.08.002
Schlagwörter	Human Posture; Psychomotor Skills; Child Development; Children; Adults; Comparative Analysis; Age Differences; Child Psychology + Suchen Sie Ihr Suchwort? Posture; Körperhaltung; Psychomotorische Aktivität; Kindesentwicklung; Child; Kind; Kinder; Age; Difference; Age difference; Altersunterschied; Kinderpsychologie
Abstract	Studies have suggested that proper postural control is essential for the development of reaching. However, little research has examined the development of the coordination between posture and manual control throughout childhood. We investigated the coordination between posture and manual control in children (7- and 10-year-olds) and adults during a precision fitting task as task constraints became more difficult. Participants fit a block through an opening as arm kinematics, trunk kinematics, and center of pressure data were collected. During the fitting task, the precision, postural, and visual constraints of the task were manipulated. Young children adopted a strategy where they first move their trunk toward the opening and then stabilize their trunk (freeze degrees of freedom) as the precision manual task is being performed. In contrast, adults and older children make compensatory trunk movements as the task is being performed. The 10-year-olds were similar to adults under the less constrained task conditions, but they resembled the 7-year-olds under the more challenging tasks. The ability to either suppress or allow postural fluctuations based on the constraints of a suprapostural task begins to develop at around 10 years of age. This ability, once developed, allows children to learn specific segmental movements required to complete a task within an environmental context. (Contains 4 figures.) (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10