As centuries pass by, the standards of a beautiful bosom have changed a number of times, today an ideal bust is considered the one with a shape that remains the same no matter what movements your body performs. Hence, a beautiful bosom is considered the one with high, elastic breasts, regardless of their size; the main point of a beautiful bust is its tone. The perfect sport to increase the tone and improve the appearance of your breasts is swimming, the second alternative, in case there is no way to practice this sport, is to see a fitness trainer or do some simple but effective exercises, which will help you strengthen the pectoral muscles by yourself.