Exercise Name: Prone Reverse Fly – Palms Flat
Body Part(s) Worked: Upper Back / Rear Deltoids / Core
Start: Lay prone on your stomach, keeping your head straight and feet close together with your arms by your side.
Finish: Pull your arms to your side, while contracting your rear deltoids and pinching your shoulder blades together, squeezing your upper back. Tighten your abdominals the entire time, and keep your feet close together.