No, not pull-ups — I'm a personal trainer, and this is the one upper-body exercise you need to strengthen your back and shoulders

Woman with arms raised camera facing back during back and biceps workout.

Boost upper body mobility and strengthen your back and shoulders using this corrective exercise for slumped shoulders and poor posture.

This move is primarily performed on the cable machine and targets the mid to upper back and posterior deltoids (your rear shoulders), helping to pull things back, and fixing rounding caused by poor posture and prolonged sitting.