The exercise ball rear delt fly is a dumbbell exercise targeting the rear heads of the shoulders, as well as the muscles of the upper-middle back. Lying prone on an exercise ball offers support to perform the movement. It is generally performed for moderate to high reps as a part of upper body or shoulder training.
Works the rear heads of the shoulders
Targets often-neglected postural muscles in the upper back
The exercise ball forces you to stabilize your core
Great as a high-rep burnout or as a warm-up for upper-body lifting