This is the primary use of the squat rack. Users can place the barbell on the barbell holders at an appropriate height and perform squats, 

thereby exercising major muscle groups in the legs, such as the quadriceps, glutes, and hamstrings, and enhancing lower - body strength.

Used in conjunction with a bench press bench, users can place the barbell at an appropriate height and perform exercises such as flat - bench press, 

incline bench press, or decline bench press.This mainly exercises the pectoralis major in the chest,

 while also working some muscles in the shoulders and arms.