Bodybuilding refers to the process or activity of developing one's muscles and physique through various training techniques, including weightlifting, resistance training, and other exercises. The goal is to increase strength, size, and overall physical appearance by building lean muscle mass and improving body composition. Bodybuilders often follow strict diets, workout routines, and supplement regimens in order to achieve their desired physique. Competitive bodybuilding involves posing and displaying one's muscular development on stage for judging and comparison with other competitors.