Dumbbell Seated External Shoulder Rotation
Strengthen your posterior deltoids and rotator cuff with the Dumbbell Seated External Shoulder Rotation.
- Movement
- Isolation
- Force
- Pull
- Per set
- 1 min
- Rest
- 2 min
Free · iPhone only · Available on the App Store
Variations of Dumbbell Seated External Shoulder Rotation
Dumbbell Seated Bent Over Rear Delt Row
Shoulders · Deltoid Posterior · Dumbbell
Dumbbell Seated Alternate Shoulder
Shoulders · Deltoid Anterior · Dumbbell
Dumbbell Rotation Reverse Fly
Shoulders · Deltoid Posterior · Dumbbell
Dumbbell Rear Lateral Raise
Shoulders · Deltoid Posterior · Dumbbell
Description
A seated exercise that isolates the shoulder muscles by rotating the arm externally with a dumbbell.
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How to do Dumbbell Seated External Shoulder Rotation
- 01Setup
Sit on a flat bench with your feet flat on the floor, holding a light dumbbell in one hand. Place your working elbow on your inner thigh, just above the knee.
- 02Setup
Ensure your upper arm is perpendicular to the floor and your forearm hangs straight down, forming a 90-degree angle at your elbow. The dumbbell should point towards the floor.
- 03
Keeping your elbow fixed on your thigh, slowly rotate your forearm outward and upward, lifting the dumbbell until it is parallel to the floor or slightly higher. Exhale as you perform this external rotation.
- 04
Pause briefly at the top of the movement, squeezing your posterior deltoid and rotator cuff. Focus on feeling the contraction in the back of your shoulder.
- 05
Slowly and with control, lower the dumbbell back to the starting position, resisting the weight throughout the eccentric phase. Inhale during this controlled descent.
Tips
- Maintain a strict 90-degree angle at your elbow throughout the entire movement to isolate the external rotators effectively.
- Focus on a slow, controlled tempo, especially during the lowering phase, to maximize muscle engagement and minimize the use of momentum.
- Keep your working shoulder relaxed and depressed, avoiding any shrugging toward your ear to prevent upper trapezius involvement.
- If you experience any elbow discomfort, slightly adjust your seating position or the angle of your arm to find a comfortable and stable position.
Common mistakes
- Using excessive momentum or swinging the dumbbell reduces the isolation of the target muscles; instead, perform the movement slowly and with strict control.
- Allowing the elbow to lift off the thigh or change its angle shifts tension away from the posterior deltoid and rotator cuff; keep your elbow firmly planted and maintain a constant 90-degree bend.
- Shrugging the shoulder during the lift engages the upper traps excessively; ensure your shoulder remains depressed and focus on rotating only at the glenohumeral joint.
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Get Ellim — FreeQuestions
What muscles does Dumbbell Seated External Shoulder Rotation work?
Dumbbell Seated External Shoulder Rotation primarily targets Deltoid Posterior. Secondary muscles include Infraspinatus, Teres Minor.
Is Dumbbell Seated External Shoulder Rotation good for beginners?
Dumbbell Seated External Shoulder Rotation is rated intermediate. Beginners can still attempt it with lighter weight and careful form, but it's best to master easier variations first.
What equipment do I need for Dumbbell Seated External Shoulder Rotation?
You need Dumbbell to perform Dumbbell Seated External Shoulder Rotation. If you don't have this equipment, look for variations that target the same muscles with what you have available.
What are the best tips for Dumbbell Seated External Shoulder Rotation?
Maintain a strict 90-degree angle at your elbow throughout the entire movement to isolate the external rotators effectively. Focus on a slow, controlled tempo, especially during the lowering phase, to maximize muscle engagement and minimize the use of momentum. Keep your working shoulder relaxed and depressed, avoiding any shrugging toward your ear to prevent upper trapezius involvement. If you experience any elbow discomfort, slightly adjust your seating position or the angle of your arm to find a comfortable and stable position.
What are common mistakes when doing Dumbbell Seated External Shoulder Rotation?
Using excessive momentum or swinging the dumbbell reduces the isolation of the target muscles; instead, perform the movement slowly and with strict control. Allowing the elbow to lift off the thigh or change its angle shifts tension away from the posterior deltoid and rotator cuff; keep your elbow firmly planted and maintain a constant 90-degree bend. Shrugging the shoulder during the lift engages the upper traps excessively; ensure your shoulder remains depressed and focus on rotating only at the glenohumeral joint.
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Free · iPhone only · Available on the App Store