@angiebryantmorale: Behind the neck pull-ups Greater Upper Back and Rear Delt Activation: Shifting the path behind your head places more emphasis on the trapezius, rhomboids, and rear deltoids than a standard front pull-up Behind-the-neck pull-ups are for precision and back detail. They won’t replace your main pull-ups… …but they’ll absolutely level up your upper back development if you use them right.