Effects of ramp negotiation, paving type and shoe sole geometry on toe clearance in young adults
Thies, S, Jones, RK, Kenney, LPJ, Howard, D and Baker, RD 2011, 'Effects of ramp negotiation, paving type and shoe sole geometry on toe clearance in young adults' , Journal of Biomechanics, 44 (15) , pp. 2679-2684.
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Trips are a major cause of falls and result from involuntary contact of the foot with the ground during the swing phase of gait. Adequate toe clearance during swing is therefore crucial for safe locomotion. To date, little is known about the effects of environmental factors and footwear on toe clearance. This study reports on modulation of toe clearance and toe clearance variability in response to changes in ground inclination, paving type, and shoe sole geometry. Toe clearance and toe clearance variability for ten healthy young adults were calculated two-fold: a) for the commonly-used position on the foremost part of the sole of the shoe and b) for the lowest of a total of 7 sole positions, located between the metatarsals and the toe tip across the entire width of the sole. Utilizing a full-factorial design we found that toe clearance was affected by ground inclination, paving type, and sole geometry regardless of the computational method used (with p-values<0.01) but the use of the foremost part of the sole for toe clearance calculation results is an overestimation of this value. Our findings highlight the importance of considering footwear and environmental factors when assessing the risk of tripping. Future work needs to investigate to which extent the same factors affect toe clearance in more vulnerable parts of the population.
|Themes:||Health and Wellbeing|
|Schools:||Schools > School of Health Sciences > Centre for Health Sciences Research
Schools > School of Computing, Science and Engineering
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|Journal or Publication Title:||Journal of Biomechanics|
|Depositing User:||LPJ Kenney|
|Date Deposited:||06 Oct 2011 14:46|
|Last Modified:||18 Aug 2014 11:44|
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