Abstract：
:It has been previously suggested that coupled upper and limb movements need visuomotor coordination to be achieved. Previous studies have not investigated the role that visual cues may play in the coordination of locomotion and prehension. The aim of this study was to investigate if lower peripheral visual cues provide online control of the coordination of locomotion and prehension as they have been showed to do during adaptive gait and level walking. Twelve subjects reached a semi-empty or a full glass with their dominant or non-dominant hand at gait termination. Two binocular visual conditions were investigated: normal vision and lower visual occlusion. Outcome measures were determined using 3D motion capture techniques. Results showed that although the subjects were able to successfully complete the task without spilling the water from the glass under lower visual occlusion, they increased the margin of safety between final foot placements and glass. These findings suggest that lower visual cues are mainly used online to fine tune the trajectory of the upper and lower limbs moving toward the target.
journal_name
Gait Posturejournal_title
Gait & postureauthors
Graci Vdoi
10.1016/j.gaitpost.2011.07.003subject
Has Abstractpub_date
2011-10-01 00:00:00pages
514-8issue
4eissn
0966-6362issn
1879-2219pii
S0966-6362(11)00226-8journal_volume
34pub_type
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