To further isolate the rear delt from the mid-back muscles, Arent suggests trying the side-seated machine reverse fly ...

From the Lat pulldown to the bent-over dumbbell fly ... to the side. Swimmers, pitchers, tennis players, and people who perform frequent overhead arm movements might experience rear deltoid ...

“The lats stabilise the rear delt, so doing exercises that build the lats further encourages the activation of the posterior muscles on the shoulder blades,” says Joshi. Stand to the side of a ...

To further isolate the rear delt from the mid-back muscles, Arent suggests trying the side-seated machine reverse fly described below. Start with a neutral grip, but experiment with others.