Machine Reverse Fly
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The Machine Reverse Fly is a strength training exercise performed on a specialized machine where you sit facing the pad and grasp the handles to pull your arms backward in a horizontal arc, mimicking a reverse pec deck motion. Its primary purpose is to isolate and strengthen the rear deltoids while improving shoulder stability and posture by countering forward-rounded shoulders. It mainly targets the posterior deltoids, with secondary engagement of the rhomboids and trapezius, making it ideal for athletes, bodybuilders, and anyone seeking balanced shoulder development with minimal equipment beyond the machine.
How to Perform Machine Reverse Fly
- 1Sit facing the machine with your chest pressed firmly against the pad, feet flat on the floor, and knees aligned with the machine's pivot point for stability.
- 2Grip the horizontal handles with palms facing in, arms extended straight out in front of you, elbows slightly bent, and shoulders relaxed away from ears.
- 3Engage your core and maintain a neutral spine with chest up and head in line with your torso.
- 4Exhale as you pull the handles outward in a wide arc, squeezing your rear deltoids and upper back until your arms are in line with your body or slightly behind.
- 5Hold the contraction briefly at the end range, focusing on the shoulder blades pinching together.
- 6Inhale as you slowly return the handles to the starting position, controlling the movement without letting the weight stack slam.
- 7Repeat for desired reps, then carefully exit the machine.
- 8Key form tips: Keep elbows slightly bent throughout to protect joints; avoid using momentum or shrugging shoulders—focus on rear delts; maintain chest contact with pad to prevent arching back. Common mistakes: swinging the weight, incomplete range of motion, or excessive lower back involvement.
