Dumbbell Reverse Fly

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Intermediate
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Dumbbell reverse fly is an isolation exercise targeting rear deltoids and upper back to build shoulder stability and improve posture, performed bent over with arms raised out to sides.

About Exercise

Equipment

Dumbbells

Difficulty

2/5 • Intermediate

Primary Muscle Groups

Shoulders, Traps

Secondary Muscles

Lower Back

Popularity Score

8

Goals

Hypertrophy
Stability

Training Style

Bodybuilding

Setup Requirements

Requires Rack

No

Requires Bench

No

Requires Spotter

No

Space Needed

Small

Noise Level

Low

Muscle Breakdown

Shoulders

10/10

Rear Delts

Traps

8/10

Mid Traps, Lower Traps

Lats

6/10

Teres Major

Lower Back

4/10

Erector Spinae

Programming

Typical Rep Range

10-15 reps

Rest Between Sets

60-90 seconds

How to Perform

Stand with feet shoulder-width apart, holding dumbbells with neutral grip. Hinge at hips until torso is nearly parallel to floor, knees slightly bent, arms hanging down with slight elbow bend, core engaged.

  1. Exhale and raise arms out to sides, squeezing shoulder blades together.
  2. Lift until arms are level with shoulders, forming a T shape.
  3. Inhale and lower dumbbells slowly back to start.
  4. Maintain neutral spine and slight elbow bend throughout.
  5. Repeat for prescribed reps, controlling the motion.

Coaching Tips

Form Cues

  • Squeeze shoulder blades
  • Keep elbows soft
  • Neutral spine always
  • Lead with elbows
  • Core tight
  • No shrugging

Breathing

Exhale as you raise the dumbbells, inhale as you lower them. Brace core to stabilize spine.

Tempo

3-1-2

Range of Motion

Lower arms to hang straight down from shoulders; raise to parallel with torso, elbows slightly bent. Avoid going above shoulder height.

Safety

Safety Notes

  • Avoid if acute shoulder impingement or low back pain
  • Start light to master form
  • Stop if pain in shoulders or back
  • Keep chin tucked
  • Use mirror for form check

Spotting

Not typically needed; use lighter weights or supported variation for safety if balance is an issue.

Common Mistakes

  • Rounding back
  • Swinging weights
  • Locking elbows
  • Shrugging shoulders
  • Excessive arching
  • Using momentum

When to Avoid

  • Shoulder impingement
  • Lower back injury
  • Rotator cuff issues

Flexibility Needed

  • Adequate hip hinge mobility
  • Shoulder external rotation range

Build Up First

  • Master basic standing hip hinge
  • Understand scapular retraction

Also known as

Bent-Over Reverse Fly, Rear Delt Fly

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