Chest-Supported Reverse Fly

Illustration showing a man performing a chest supported bent-over. The image is divided into two parts: the start position on the left and the finish position on the right. The man's shoulder muscles are highlighted in red.

Exercise Description

The Chest-Supported Dumbbell Reverse Fly is an isolation exercise that targets the rear shoulders and upper back while minimizing stress on the lower back. Performed lying face down on an incline bench, the chest support provides stability and allows you to focus entirely on the working muscles. This exercise is highly effective for improving posture, strengthening the posterior shoulder muscles, and creating balanced shoulder development.

Primary Muscles Worked

  • Posterior Deltoids (Rear Shoulders)

Secondary Muscles Worked

  • Rhomboids

  • Middle Trapezius

  • Lower Trapezius

  • Infraspinatus

  • Teres Minor

  • Rotator Cuff Muscles (Stabilizers)

  • Rear Fibers of the Deltoids

  • Forearm Muscles (Grip Stabilization)

How to Perform Correctly

Setup

  1. Adjust an incline bench to approximately 30–45 degrees.

  2. Hold a dumbbell in each hand and lie face down on the bench with your chest fully supported.

  3. Allow your arms to hang straight toward the floor with palms facing each other.

  4. Keep your feet firmly planted on the floor for stability.

  5. Maintain a neutral neck position and engage your core.

Movement

  1. Raise the dumbbells out to the sides in a wide arc.

  2. Keep a slight bend in your elbows throughout the movement.

  3. Lift until your arms are approximately in line with your shoulders.

  4. Focus on squeezing your rear deltoids and shoulder blades together at the top.

  5. Pause briefly at peak contraction.

  6. Slowly lower the dumbbells back to the starting position under control.

  7. Repeat for the desired number of repetitions.

Common Mistakes to Avoid

Using Excessive Weight

  • Heavy dumbbells often reduce range of motion and shift the workload away from the rear deltoids.

Shrugging the Shoulders

  • Keep your shoulders down and away from your ears throughout the exercise.

Swinging the Weights

  • Use controlled movement rather than momentum.

Straightening the Arms Completely

  • Maintain a slight bend in the elbows to reduce stress on the joints.

Raising the Dumbbells Too High

  • Lifting significantly above shoulder level may increase upper trapezius involvement and reduce rear-delt emphasis.

Lifting the Chest Off the Bench

  • Keep your chest in contact with the bench throughout the movement.

Rushing the Lowering Phase

  • Control the descent to maximize muscle activation and safety.

Shoulder Exercises