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Movement dynamics and occupational embeddedness in a grasping and placing task

✍ Scribed by Martin S. Rice; Alison J. Alaimo; Jennifer A. Cook


Book ID
102561305
Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
148 KB
Volume
6
Category
Article
ISSN
0966-7903

No coin nor oath required. For personal study only.

✦ Synopsis


The investigators examined the movement dynamics of 39 female participants aged 22-52 years during a grasping and placing task with objects having varying levels of occupational embeddedness. The occupationally embedded (OE) condition involved labelled soup cans, the limited occupationally embedded (LOE) condition used unlabelled soup cans, and the non-occupationally embedded (NOE) condition used modelling clay having the same mass and relative size as the cans. The task involved grasping and placing the objects from a designated countertop location to a designated location on a cupboard shelf, with each condition involving three trials. It was hypothesized that the OE condition would yield the most efficient movement compared with the LOE condition, followed by the NOE condition. Data were collected using an electric goniometer placed on the participant's right elbow. Significance was found between the LOE and NOE conditions with angular displacement (p<0.05) and in the OE and NOE conditions with movement units (p<0.05). A limitation of the study was that there was little time between trials. This may have influenced participant performance on subsequent trials. In addition, the investigators were not blind to the hypotheses and could have inadvertently influenced the participant during data collection. Clinical implications include the importance of structuring the occupational forms to be as relevant to the occupation as possible. Future research is needed to examine the influence of contextual relevancy on occupational performance. Additionally, this line of research needs to be extended to special populations.


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