How to do the Standing Dumbbell External Rotation
- Stand tall holding one dumbbell, elbow bent to 90 degrees at your side.
- Start with your forearm across the front of your body.
- Rotate your forearm out to the side, elbow staying at your side.
- Slowly return across your body, then switch arms.
Full technique — 7 steps
- Stand tall with feet about hip width apart, holding a light dumbbell in one hand.
- Set your feet evenly, keep your torso upright, and hold the upper arm close to your side.
- Bend the elbow to 90 degrees so the forearm lies across the front of your body.
- Place your free hand on your hip and keep the dumbbell handle vertical.
- Rotate the forearm outward until it points out to the side, keeping the elbow at your side.
- Keep the elbow bent at 90 degrees and the wrist straight throughout.
- Return the forearm across your body under control, then switch arms after the set.
Common mistakes
- Letting the elbow drift away from your side
- Opening the elbow angle during the rotation
- Twisting the torso to finish the rotation
- Using torso swing for momentum
- Shrugging shoulders toward ears
Form cues
- Keep upper arm still
- Elbow stays at your side
- Keep torso quiet
- Stand tall throughout
- Rotate slowly both ways
Quick answers
What muscles does the Standing Dumbbell External Rotation work?
Primary: Infraspinatus 9/10, Teres minor 8/10. Also works: Rear delts 5/10, Biceps 3/10, Forearms 3/10.
When should I do the Standing Dumbbell External Rotation in a workout?
Warm-up. Done at the start to get the body ready. ≈ 7 min with rest.
How many sets and reps of the Standing Dumbbell External Rotation?
Strength: 2–3 sets of 8–12 reps, rest 1 min 15 s, 3 reps in reserve. Muscle growth: 2–3 sets of 12–15 reps, rest 1 min, 3 reps in reserve. Endurance: 2–3 sets of 15–20 reps, rest 45 s, 3–4 reps in reserve.
