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Discrimination of Lateral Torso Types by Posture for Older Women

노년 여성의 몸통 측면 자세에 따른 체형 판별

  • Sunmi Park (Dept. of Fashion Design, Konkuk University) ;
  • Hyunsook Han (Dept. of Clothing & Textiles, Chungbuk National University)
  • 박선미 (건국대학교 패션디자인학과) ;
  • 한현숙 (충북대학교 의류학과)
  • Received : 2023.11.13
  • Accepted : 2024.02.19
  • Published : 2024.02.29

Abstract

This study aimed to objectively classify the lateral torso posture types and functions of older women. We used 3D body scan data of 119 women aged 70-85 years from the 6th SizeKorea project. First, we defined three torso axes to represent the lateral torso posture types: posterior waist-back, back-cervical, and whole torso axes. Next, we asked experts to select one of four lateral torso posture types-stooped, straight, leaning back, and swayback postures-by looking at the lateral photographic data of 119 older women. To identify the axis that best represented each lateral torso posture type, a discriminant analysis was conducted using the angle of each of the three torso axes as an independent variable and an expert's visual classification as a dependent variable. Based on the analysis, the whole torso and backcervical axis angles were selected as variables for judging lateral torso posture types. Subsequently, we developed a classification function to determine which of the four lateral torso posture types of a particular participant was applicable for a new individual. The method developed in this study is significant in that it enables the objective classification of the lateral torso postures types of older women.

Keywords

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