Functional evaluation of air insoles and methodology for determining the optimal thickness according to weight group
- Authors
- Min, Seungnam; Subramaniyam, Murali; Lee, Heeran
- Issue Date
- May-2024
- Publisher
- ELSEVIER
- Keywords
- Air insole; Muscle fatigue; Foot pressure
- Citation
- INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS, v.101
- Journal Title
- INTERNATIONAL JOURNAL OF INDUSTRIAL ERGONOMICS
- Volume
- 101
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/28710
- DOI
- 10.1016/j.ergon.2024.103582
- ISSN
- 0169-8141
1872-8219
- Abstract
- This study evaluates the effectiveness of four air insoles with varying thicknesses and one typical insole by measuring the total muscle activity, total muscle fatigue, left/right foot pressure symmetry ratio, and subjective fatigue among participants in three weight groups (<50, 50-70, and >70 kg). To minimize cumulative fatigue among participants, only one type of insole was tested per day. The 0.6- to 1.0-cm thick air insoles have a positive impact on muscle activity, muscle fatigue, and subjective fatigue compared to the typical 0.8-cm insoles. In terms of subjective fatigue, the 0.6-, 1.0-, and 1.2-cm air insoles yielded lower fatigue levels in the <50 kg group; however, the 50-70 kg group exhibited the lowest fatigue level when wearing the 0.8-cm air insoles. The proposed methodology may provide reference for optimal air insole thickness for users of varying weight ranges.
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