An A-shaped buttock is defined by a tapering waistline and fat distribution in the lowest section of the buttock or thighs. The curves of your hips and buttocks give the appearance of an inverted heart shape when viewed from behind.. All different types of butts are beautiful, but it turns out butt shapes hold information about the state of your physical health and well-being.
4 Common Butt Shapes Most shapes fall into one of four different butt types. Your booty shape is determined by your bone structure, muscle mass and fat distribution. Here's how the four different butt shapes compare: A-Shaped (Heart) A-shaped butts are fuller on the bottom and have a narrow top that resembles the shape of a heart.. Learn about the four main butt shapes Square V Heart and Round and find out how to recognize and care for your unique body shape.