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KMID : 0895420070170020131
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Journal of Korean Society of Occupational and Enviromental Hygiene
2007 Volume.17 No. 2 p.131 ~ p.143
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A study on the ground reaction forces and plantar pressure variables in different safety shoes and applying insole during walking
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Kim Jung-Jin
Choi Sang-Bock
Cha Sang-Eun
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Abstract
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The purpose of this study was to compare the ground reaction forces and plantar pressure variables among three
different safety shoes (Type 1: ergonomically designed and high quality shoes, 2: curved and cushioned safety hoes, and 3: regular safety shoes) and to find the effect of insole during walking. Ten healthy subjects were recruited for this study. The ground reaction force was measured using a 3 dimensional motion analysis system. Plantar pressures were measured Pedar Mobile foot pressure scan system. The ground reaction force variables were not significantly different among three different shoe types and insole conditions. After insertion insole, plantar pressure distributions were improved. These results suggest that the type 1 safety shoes was superior than other safety shoes in the statistics, and applying insole could be a possible method to prevent fatigue of lower extremity and musculoskeletal disorders. Further studies are needed to find the effect of ergonomically designed safety shoes design and insole on practical value prevention of musculoskeletal disorder, fatigue and satisfaction of workers.
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KEYWORD
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ground reaction forces, plantar pressure variables, safety shoes, insole, walking, musculoskeletal disorder
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