Online ISSN : 2424-1660
Print ISSN : 0910-5778
ISSN-L : 0910-5778
Volume 53, Issue 1
Displaying 1-7 of 7 articles from this issue
  • Kazuyo Okabe, Akiko Deguchi, Hideyo Sugimoto, Yoko Chinen
    2009 Volume 53 Issue 1 Pages 33-44
    Published: 2009
    Released on J-STAGE: June 15, 2021

      This study was conducted to clarify the relationship between dislocation of the brassiere frame and displacement of the breast in the brassiere cup while lifting the arm in adult women in different age groups. Each subject wearing the tested brassiere was instructed to stand still and move her both arms forward, upward, sideway and then down to the initial position. This consecutive movement was repeated 10 times to measure the dislocation of the brassiere frame and displacement of the breast in the brassier cup using a CCD camera. The obtained visual data was statistically analyzed.

      The amount of breast displacement while lifting the arm tended to be greater in the vertical direction than in the horizontal direction. This tendency was more remarkable in the group of young women with hard and good-shaped breasts than in the group of middle-aged women with soft and sagging breasts. The maximum value of breast displacement was measured on the lateral side of the brassiere rather than on the midline of the brassiere. The brassiere cup frame t ended to less dislocate along the upper border of the cup. On the other hand, the dislocation was greater around the root of the arm and along the lower border of the midline. Irrespective of the amount of displacements of the breast, the dislocation of the brassiere frame was constant in the both age groups and remained after the termination of the arm lifting.

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