Volume 5, Issue 2
Three-dimensional Movements of Pert and Ptotic Breasts

Jie Zhou & Winnie Yu

Journal of Fiber Bioengineering & Informatics, 5 (2012), pp. 139-150.

Published online: 2012-05

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  • Abstract

This paper applies a new Breast Coordinate System to measure three-dimensional breast movements, relative to the thorax by eliminating the effects of body rotation, translation, bending and tilting during activities. Two-dimensional and three-dimensional breast movement trajectories of pert breasts and ptotic breasts are presented and compared from four different perspectives in both the global and local coordinate systems. The scatter plot of breast displacements against time in x, y and z coordinates were fitted by polynomial functions. The movement amplitude of the ptotic breast is larger than that of the pert breast in all directions. In a vertical direction, the ptotic breast velocity is greater than that of the pert breast one.

  • Keywords

Breast Motion Movement Trajectories Local Coordinate System

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COPYRIGHT: © Global Science Press

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@Article{JFBI-5-139, author = {}, title = {Three-dimensional Movements of Pert and Ptotic Breasts}, journal = {Journal of Fiber Bioengineering and Informatics}, year = {2012}, volume = {5}, number = {2}, pages = {139--150}, abstract = {This paper applies a new Breast Coordinate System to measure three-dimensional breast movements, relative to the thorax by eliminating the effects of body rotation, translation, bending and tilting during activities. Two-dimensional and three-dimensional breast movement trajectories of pert breasts and ptotic breasts are presented and compared from four different perspectives in both the global and local coordinate systems. The scatter plot of breast displacements against time in x, y and z coordinates were fitted by polynomial functions. The movement amplitude of the ptotic breast is larger than that of the pert breast in all directions. In a vertical direction, the ptotic breast velocity is greater than that of the pert breast one.}, issn = {2617-8699}, doi = {https://doi.org/10.3993/jfbi06201203}, url = {http://global-sci.org/intro/article_detail/jfbi/4869.html} }
TY - JOUR T1 - Three-dimensional Movements of Pert and Ptotic Breasts JO - Journal of Fiber Bioengineering and Informatics VL - 2 SP - 139 EP - 150 PY - 2012 DA - 2012/05 SN - 5 DO - http://doi.org/10.3993/jfbi06201203 UR - https://global-sci.org/intro/article_detail/jfbi/4869.html KW - Breast Motion KW - Movement Trajectories KW - Local Coordinate System AB - This paper applies a new Breast Coordinate System to measure three-dimensional breast movements, relative to the thorax by eliminating the effects of body rotation, translation, bending and tilting during activities. Two-dimensional and three-dimensional breast movement trajectories of pert breasts and ptotic breasts are presented and compared from four different perspectives in both the global and local coordinate systems. The scatter plot of breast displacements against time in x, y and z coordinates were fitted by polynomial functions. The movement amplitude of the ptotic breast is larger than that of the pert breast in all directions. In a vertical direction, the ptotic breast velocity is greater than that of the pert breast one.
Jie Zhou & Winnie Yu. (2019). Three-dimensional Movements of Pert and Ptotic Breasts. Journal of Fiber Bioengineering and Informatics. 5 (2). 139-150. doi:10.3993/jfbi06201203
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