Classification and mass production technique for three-quarter shoe insoles using non-weight-bearing plantar shapes |
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Authors: | Sun Shuh-Ping Chou Yi-Jiun Sue Chun-Chia |
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Affiliation: | a Department of Biomedical Engineering, I-Shou University, Kaohsiung, Taiwan b Department of Orthopedic Surgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan |
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Abstract: | We have developed a technique for the mass production and classification of three-quarter shoe insoles via a 3D anthropometric measurement of full-size non-weight-bearing plantar shapes. The plantar shapes of fifty 40-60-year-old adults from Taiwan were categorized and, in conjunction with commercially available flat or leisure shoe models, three-quarter shoe-insole models were generated using a CAD system. Applying a rapid prototype system, these models were then used to provide the parameters for manufacturing the shoe insoles. The insoles developed in this study have been classified into S, M and L types that offer user-friendly options for foot-care providers. We concluded that these insoles can mate tightly with the foot arch and disperse the pressure in the heel and forefoot over the foot arch. Thus, practically, the pressure difference over the plantar region can be minimised, and the user can experience comfort when wearing flat or leisure shoes. |
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Keywords: | 3D anthropometric measurement Shoe insoles Rapid prototyping |
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