One-Arm Lying Rear Delt Raise — start position
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One-Arm Lying Rear Delt Raise — end position
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Shoulders / Beginner / Isolation (single joint)

One-Arm Lying Rear Delt Raise

A one-arm rear lateral raise lying face down on a bench that isolates the rear delt.

At a glance

Primary
Rear delts
Secondary
Upper back (rhomboids, mid/lower traps), Rotator cuff
Equipment
Dumbbells, Bench
Movement pattern
Reverse fly, Shoulder-blade squeeze
Level
Beginner
Type
Shoulders, Isolation (single joint), One side at a time

How to do it

  1. Lie face down on a flat bench high enough for your arm to hang freely, the other hand on the floor for support.
  2. Hold a dumbbell with the working arm hanging straight down, elbow slightly bent.
  3. Raise the arm out to the side until it is level with your shoulder.
  4. Lower slowly to the start and repeat, then switch arms.

Tips

  • Lead with the elbow, not the hand.
  • Keep your chest on the bench; do not twist.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts (Front)Side delts (Front)Chest (Front)Serratus anterior (Front)Biceps (Front)Forearms & grip (Front)Abs (Front)Obliques (Front)Hip flexors (Front)Quads (Front)Adductors (Front)Shins (tibialis) (Front)Calves (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) — secondary (Back)Rear delts — primary (Back)Side delts (Back)Rotator cuff — secondary (Back)Lats (Back)Lower back (erectors) (Back)Triceps (Back)Forearms & grip (Back)Hip abductors (glute med) (Back)Glutes (Back)Hamstrings (Back)Adductors (Back)Calves (Back)
FrontBack
  • Primary: Rear delts
  • Secondary: Upper back (rhomboids, mid/lower traps), Rotator cuff

Best for

How specific this exercise is to each movement.

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Illustration: Everkinetic (everkinetic.com), CC BY-SA 4.0.