On the other hand, the breast tissue is located on top of the muscles with the upper body wall. The characteristic bounce with the breast originates from the elasticity on the matrix of connective tissue fibers in the breast. They change after you get or lose pounds. They change in https://grok.com/share/c2hhcmQtMw%3D%3D_5ad6450c-533d-442c-a09c-9f7bce1babfb