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http://dx.doi.org/10.5103/KJSB.2021.31.3.189

A Comparative Study on Biomechanical Variables of Elderly Women and Elderly Women at Risk of Fall in Gait by Environmental Conditions  

Kim, Tae-Whan (Department of Sport Science, Korea Institute of Sport Science)
Kim, Dae-Hyun (Department of Physical Education, Korea University)
Min, Seok-Ki (Department of Sport Science, Korea Institute of Sport Science)
Cho, Eun-Hyung (Department of Sport Science, Korea Institute of Sport Science)
Lee, Jin-Seok (Department of Sport Science, Korea Institute of Sport Science)
Publication Information
Korean Journal of Applied Biomechanics / v.31, no.3, 2021 , pp. 189-198 More about this Journal
Abstract
Objective: The aim of this study is to investigate the effect of biomechanical variables on gait according to indoor and outdoor environmental conditions in elderly women at risk of falling. Method: 26 elderly women aged 70 years or older, and consisted of 13 elderly people with a walking speed of less 1.0 m/s and 13 people in the fall risk group as normal groups. Depending on the purpose of the study, physical examination and psychological questionnaire were prepared, and then walking was performed in an indoor/outdoor environment, and the gait pattern, muscle activity, and plantar pressure results were compared and analyzed in the elderly females through a 2 group × 2 environment 2-way repeted ANOVA analysis. Results: The gait variable showed an interaction effect the cadence. The muscle variables showed interaction effects in the rectus femoris and tibialis anterior muscles, and the interaction effects of the plantar pressure variables were confirmed in the forefoot and midfoot of the contact area, and the midfoot of the mean pressure. Conclusion: These results indicate that both groups are exposed to falls risk when gait in an outdoor environment, but the fall risk group has a higher risk of falls in both the gait pattern, muscle activity, and plantar pressure variables. The results of this study are considered to be helpful as basic data and development of exercise programs to prevent falls.
Keywords
Gait; Fall; Elderly women; Environment; Gait pattern; Muscle activity; Foot pressure;
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