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Last updated February 2, 2026
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shoulders

Rear Delt Fly (Dumbbell)

Bend over at the hips with a flat back. Raise the dumbbells out to the sides like wings. Focus on squeezing the small muscles on the back of your shoulders.

Quick facts

Difficulty
Moderate
Mechanic
Isolation
Force
Pull
Type
Strength
Injury Risk
Low
Hypertrophy
High
Calorie Burn
Low-Medium

Muscle focus

Primary and secondary muscle groups targeted by this movement.

Primary

rear shoulders

Secondary

upper back / rhomboids

Equipment & setup

What you need and how to position yourself before starting.

Equipment

dumbbell

Movement pattern

Bilateral

Posture

Bent-over

Tracking parameters

repsweight

Step-by-step instructions

Follow these cues to master proper technique and stay safe through every rep.

  1. Step 1Setup
    • Stand with your feet shoulder-width apart, holding a dumbbell in each hand with a neutral grip (palms facing each other).
    • Bend your knees slightly and hinge forward at the hips, keeping your back straight and your torso at about a 45-degree angle.
  2. Step 2Position Your Arms
    • Let your arms hang straight down from your shoulders, holding the dumbbells.
    • Ensure your elbows are slightly bent and your wrists are neutral.
  3. Step 3Engage Your Core
    • Engage your core muscles to stabilize your body throughout the movement.
    • Keep your head in a neutral position, looking slightly ahead of you.
  4. Step 4Lift the Dumbbells
    • Raise the dumbbells out to the sides in a wide arc, leading with your elbows.
    • Focus on squeezing your shoulder blades together at the top of the movement.
  5. Step 5Lower the Dumbbells
    • Slowly lower the dumbbells back to the starting position, maintaining control throughout the movement.
    • Keep your elbows slightly bent and avoid swinging the weights.
  6. Step 6Repeat
    • Perform the desired number of repetitions, ensuring to maintain proper form with each rep.
    • Focus on the contraction of your rear deltoids and upper back.
  7. Step 7Finish the Exercise
    • After completing your set, carefully return to an upright position.
    • Safely place the dumbbells down on the floor.
Version 1 · Created November 12, 2025