Document Detail

Development of upper body coordination during sitting in typically developing infants.
MedLine Citation:
PMID:  19190546     Owner:  NLM     Status:  MEDLINE    
Our goal was to determine how the actions of the thorax and the pelvis are organized and coordinated to achieve independent sitting posture in typically developing infants. The participants were 10 typically developing infants who were evaluated longitudinally from first onset of sitting until sitting independence. Each infant underwent nine testing sessions. The first session included motor evaluation with the Peabody test. The other eight sessions occurred over a period of 4 mo where sitting behavior was evaluated by angular kinematics of the thorax and the pelvis. A physical therapist evaluated sitting behavior in each session and categorized it according to five stages. The phasing relationship of the thorax and the pelvis was calculated and evaluated longitudinally using a one-way analysis of variance. With development, the infants progressed from an in-phase (moving in the same direction) to an out-of-phase (moving in an opposite direction) coordinative relationship between the thorax and the pelvis segments. This change was significant for both sagittal and frontal planes of motion. Clinically, this relationship is important because it provides a method to quantify infant sitting postural development, and can be used to assess efficacy of early interventions for pediatric populations with developmental motor delays.
Anastasia Kyvelidou; Wayne A Stuberg; Regina T Harbourne; Joan E Deffeyes; Daniel Blanke; Nicholas Stergiou
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Pediatric research     Volume:  65     ISSN:  1530-0447     ISO Abbreviation:  Pediatr. Res.     Publication Date:  2009 May 
Date Detail:
Created Date:  2009-07-21     Completed Date:  2009-09-24     Revised Date:  2014-09-08    
Medline Journal Info:
Nlm Unique ID:  0100714     Medline TA:  Pediatr Res     Country:  United States    
Other Details:
Languages:  eng     Pagination:  553-8     Citation Subset:  IM    
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MeSH Terms
Age Factors
Biomechanical Phenomena
Child Development*
Infant Behavior*
Longitudinal Studies
Motor Skills*
Pelvis / physiology*
Postural Balance*
Thorax / physiology*
Video Recording
Grant Support
K25 HD047194/HD/NICHD NIH HHS; K25 HD047194-01A1/HD/NICHD NIH HHS; K25 HD047194-02/HD/NICHD NIH HHS; K25 HD047194-03/HD/NICHD NIH HHS; K25 HD047194-04/HD/NICHD NIH HHS; K25HD047194/HD/NICHD NIH HHS

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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