Effect of the Gravity on the Sagging Breasts of Women

Besides, biomechanical models developed using the Finite Element Method (FEM) and programming can be used to model the relationship between different types of tissues (breasts) and with the application of forces or movements to know possible deformations (1 ... .9,11,12,13,15,16). It can help predict mechanical deformations of the tissue during medical operations and derive and quantify the properties of the breasts with the observed deformations (15). The theory of the finite elasticity ( We need to know the biomechanical properties, boundary conditions and a configuration of a normal breast and deformed. It can be very useful when it is done a diagnostic examination (mammography, magnetic resonance) and the patient moves from one position to another and the breasts are compressed. Thus, masses of difficult observation could be visible between those images. It may be possible to have a biomechanical model of the breast. Then, it can be used for breast cancer diagnosis and for studies of the gravity effects on light and heavy breasts and to study the effects of compression on radiographic tests. Furthermore, it is possible to use silicone gel phantom (1), ( So, the phantom (breast) could be subjected to different weights and analyze the elasticity of the breast to support different forces. It can be done together with the respective simulations. Therefore, we can compare the experimental results (vertical displacements) with the simulations. Then, one could validate the biomechanical model and the simulation program. In addition to the phantom and simulations, we could make a graph of (strain) versus (y displacement rate) . Finally, we can get the limit points of yield. As we said before and with these researches, we can design fasterners (17) or other material with the aim that the breast does not reach the limit point of yield.