Journal
JOURNAL OF MOTOR BEHAVIOR
Volume 53, Issue 2, Pages 166-175Publisher
ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD
DOI: 10.1080/00222895.2020.1742083
Keywords
circumvention; collision avoidance; human locomotion; visual cues
Funding
- Natural Sciences and Engineering Research Council of Canada
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The study found that avoidance behaviors of young adults were influenced by the size and orientation of the interferer, with repulsion magnitudes scaled to the interferer's closest body surface.
The current study examined whether young adults' avoidance behaviours differed when circumventing a larger versus smaller interferer. It was expected that avoidance behaviours (repulsion) would be affected by the interferer's size (i.e., greater repulsion for larger body size). Participants (n = 20) walked along an 8 m pathway towards a goal while avoiding either a larger or smaller sized male interferer who stood stationary facing forward, backward, left, or right and were located 2, 4, or 6 m from the participants' starting position. Results revealed that there was an effect of interferer body size (personal-characteristics) and orientation (situational-characteristics) on M-L clearance between the interferer and participant at the time of crossing, suggesting that repulsion magnitudes are scaled to an interferer's closest body surface.
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