P. Xiao and S. P. Ashdown, "Analysis of Lower Body Change in Active Body Positions of Varying Degrees", in Proc. of 4th Int. Conf. on 3D Body Scanning Technologies, Long Beach CA, USA, 2013, pp. 301-309, http://dx.doi.org/10.15221/13.301.
Analysis of Lower Body Change in Active Body Positions of Varying Degrees
Ping XIAO 1,2, Susan P. ASHDOWN 3
1 Fashion Institute, Donghua University, Shanghai, P.R. China;
2 Key Laboratory of Clothing Design and Technology, Ministry of Education, Shanghai, China;
3 Department of Fiber Science & Apparel Design, Cornell University, Ithaca NY, USA
Recently three-dimensional body scanners have been used to analyze changes in body measurements in active positions. The purpose of this study was to analyze the change in body surface measurements of knee and hip in active positions in greater detail, comparing a standing posture to postures when lifting the right leg to 5 different heights. Six female participants, average age 22.8, were scanned for this study. Starting from the knee point and hip point, 20 landmarks were placed on each participant at 5cm incrementswhile in the standing position. The distance between each adjacent point was compared and analyzed in scans of the 6 different postures. The angles and distances between knee central points and knee side points were also compared. As the leg angles increased, the distance between each adjacent point located on the side knee decreased, the distance on the central knee increased, and the distance on the central hip increased with different amounts of increase/decrease depending on the distance of the landmark from the joint center. The height and angle between the knee central point and knee side point increased with increasing leg angle. The results from this analysis provide a more precise indication of active leg positions in order to better design active pants.
Body scanning, human body motion, body surface change
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