Step by step instructions, muscle activation and variants for the Dumbbell Seated External Rotation.
The Dumbbell Seated External Rotation is a targeted shoulder rehabilitation and strengthening exercise that isolates the rotator cuff by rotating the forearm outward against light dumbbell resistance while seated. It builds shoulder joint stability and reduces injury risk.
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The Dumbbell Seated External Rotation is a foundational movement that builds strength and muscle through controlled, progressive overload. Train it 1 to 2 times per week with 3 to 5 working sets per session, gradually adding weight or reps as form holds up.