Foot-targeting in reaching and grasping

Sparrow, William, van der Kamp, J., Savelsbergh, G. and Tirosh, Oren 2003, Foot-targeting in reaching and grasping, Gait & posture, vol. 18, no. 1, pp. 60-68, doi: 10.1016/S0966-6362(02)00162-5.

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Title Foot-targeting in reaching and grasping
Author(s) Sparrow, William
van der Kamp, J.
Savelsbergh, G.
Tirosh, Oren
Journal name Gait & posture
Volume number 18
Issue number 1
Start page 60
End page 68
Publisher Elsevier BV
Place of publication Amsterdam, The Netherlands
Publication date 2003-08
ISSN 0966-6362
Keyword(s) Foot-targets
human gait
visual control
Summary Foot positioning was investigated when right-handed (Experiment One) and left handed adults (Experiment Two) stopped walking to grasp a stationary 70 mm ball at shoulder height. In both experiments centroid location formed by the toe and heel coordinates relative to the object was highly consistent within a target-location condition, demonstrating a foot-targeting phenomenon. Centroid location in the anterior-posterior direction was uninfluenced by grasping hand but the centroid shifted right for left hand grasps and left for right hand grasps. With the target either centrally located or on the same side as the dominant hand, foot positioning brought the grasping hand closer to the target in the medial-lateral direction. When the target object was aligned with the shoulder opposite the dominant hand both groups adopted foot positions to the left of the target. Thus, neither group adopted optimal foot position when the target was located opposite their dominant hand. Foot orientation angle relative to the target was also influenced by choice of grasping hand. Collectively, the findings demonstrate a close association between grasping hand and foot position when approaching to reach and grasp an object but also suggest that foot-dominance may influence medial-lateral centroid location.
Language eng
DOI 10.1016/S0966-6362(02)00162-5
Field of Research 110601 Biomechanics
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2002, Elsevier Science B.V.
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Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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