Shoulders · Dumbbell

Dumbbell Standing Scapula External Rotation

How to do the dumbbell standing scapula external rotation, the muscles it works, and the mistakes to avoid. Pulled straight from the Kovo app's exercise library.

Animated demonstration of the Dumbbell Standing Scapula External Rotation
Equipment
Dumbbell
Difficulty
Beginner
Logged as
Weighted reps
Movement
Rotation
Mechanic
Isolation

How to do it

Stand holding a light dumbbell in one hand with your elbow bent 90 degrees and pinned against your side, forearm pointing across your body. Keeping the elbow glued to your waist, rotate your forearm outward away from your stomach until you feel a squeeze in the back of the shoulder, then return under control. Finish your reps before switching arms.

  1. 1The rotator cuff working to rotate the forearm outward
  2. 2The elbow staying pinned tight to your side throughout
  3. 3A controlled squeeze at the end range with the torso still

Common mistakes

  • Letting the elbow drift away from your body
  • Using a heavy dumbbell that forces you to twist your torso
  • Bending the wrist or rushing the rotation

Muscles worked

The dumbbell standing scapula external rotation mainly works the external rotators, with the rear delts assisting.

  • External RotatorsPrimary
  • Rear DeltsSupport
  • ForearmsMinor
  • Mid TrapsMinor

Kovo programs the dumbbell standing scapula external rotation for you and tracks it every session.

We build your whole program, drop the right lifts into each workout, and adjust your weights as you get stronger. Free on iOS and Android.

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Last reviewed June 2026.