The deadlift and the squat are the two most important lifts for developing overall strength.?Just like the squat, the deadlift targets your lower body muscles. It primarily works your posterior chain muscles like your glutes, hamstrings, erector spinae, and quads. It also works your hip muscles and your core. By working these large lower body muscles, you will also see upper body improvements because of the hormonal effects it has on your body.