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Biomechanical Analysis of Scoliosis Orthopedic Force Loading with human avoidance Effect

Journal of Shanghai Jiaotong university(Science) 2025年第1期30卷 187-196页

作者： ZHU Ye REN Dong ZHANG Shuang CAO Qian School of Mechanical Engineering Dalian Jiaotong UniversityDalianLiaoning116028China Department of orthopedics Dalian Municipal Central HospitalDalianLiaoning116033China Department of Radiology Second Affiliated Hospital of Dalian Medical UniversityDalianLiaoning116027China

Due to the lack of human avoidance analysis,the orthosis cannot accurately apply orthopedic force during orthopedic,resulting in poor orthopedic ***,the relationship between the human body’s active avoidance ability and force application is studied to achieve accurate loading of orthopedic ***,a high-precision scoliosis model was established based on computed tomography data,and the relationship between orthopedic force and Cobb angle was *** 9 subjects were selected for avoidance ability test grouped by body mass index calculation,and the avoidance function of different groups was *** avoidance function corrected the application of orthopedic *** results show that the optimal correction force calculated by the finite element method was 60 *** obese group had the largest avoidance ability,followed by the standard group and the lean *** the orthopedic force was 60 N,the Cobb angle was reduced from 33.77°to 20°,the avoidance ability of the standard group at 50 N obtained from the avoidance function was 20.28% and 10.14 N was actively ***,when 50 N was applied,60.14 N was actually generated,which can achieve the orthopedic effect of 60 N numerical simulation *** avoidance effect can take the active factors of the human body into consideration in the orthopedic process,so as to achieve a more accurate application of orthopedic force,and provide data reference for clinicians in the orthopedic process.

关键词： scoliosis biomechanics human active avoidance ability body mass index

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