It helps strengthen and build your glutes. For both aesthetic and performance-related reasons, a lot of people want bigger, stronger glutes. Strong glutes support better posture and help you run faster, for example. "The hip thrust is the ultimate glute-building exercise, a certified personal trainer. It is far superior to squats, lunges, and deadlifts for building up the booty. Hip thrusts activate more muscle fibres in the glutes than squats do. ~ Berceste