- Main muscle
- Rotator Cuff
- Also works
- Mostly just that one
- Equipment
- Dumbbells
How to do it
- Lie on your side with a light dumbbell in your top hand, elbow bent 90° and resting on your side.
- Keep your elbow pinned and rotate your forearm up toward the ceiling.
- Lower slowly back across your belly.
Common mistakes
- Lifting your elbow off your side.
- Rolling your body back to lift the weight.
Know what to lift next
Iron Streak puts lifts like the Dumbbell External Rotation into a weekly plan built around your goal, schedule and equipment. Every set shows the weight and reps to aim for, and your streak keeps score.