Dumbbell Bent-Over Reverse Fly

Diagram showing a man performing a bent-over dumbbell row exercise, with muscles highlighted in red in the start and finish positions.

Exercise Description

The Dumbbell Bent-Over Reverse Fly is an isolation exercise that targets the rear shoulders and upper back. Performed from a bent-over position, the movement involves raising the arms out to the sides in a wide arc, making it highly effective for developing the posterior deltoids, improving posture, and strengthening the muscles responsible for shoulder stability. It is a valuable exercise for creating balanced shoulder development and counteracting the effects of excessive pressing and prolonged sitting.

Primary Muscles Worked

  • Posterior Deltoids (Rear Shoulders)

Secondary Muscles Worked

  • Rhomboids

  • Middle Trapezius

  • Lower Trapezius

  • Teres Minor

  • Infraspinatus

  • Rotator Cuff Muscles (Stabilizers)

  • Erector Spinae (Lower Back Stabilizers)

  • Core Muscles (Stabilization)

How to Perform Correctly

Setup

  1. Hold a dumbbell in each hand and stand with your feet shoulder-width apart.

  2. Bend at the hips and slightly at the knees until your torso is nearly parallel to the floor.

  3. Keep your back flat and maintain a neutral spine.

  4. Allow the dumbbells to hang directly below your shoulders with palms facing each other.

  5. Engage your core and keep your neck aligned with your spine.

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 reach approximately shoulder height.

  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 weights often lead to momentum and reduced rear-delt activation.

Swinging the Torso

  • Avoid using body movement to assist the lift.

Shrugging the Shoulders

  • Keep the shoulders down and away from the ears to maximize rear-delt involvement.

Straightening the Arms Completely

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

Raising the Weights Too High

  • Lifting significantly above shoulder height may shift emphasis to the traps.

Rounding the Back

  • Maintain a neutral spine throughout the exercise.

Dropping the Weights Too Quickly

  • Control the lowering phase to maximize muscle engagement and safety.

Shoulder Exercises