Alternating Dumbbell Seated Shoulder Press
In SetGrip: Dumbbell Seated Shoulder Press (Alternating)
- Secondary muscles
- Triceps, Upper Back
- Body part
- Shoulders
- Position
- Seated
- Laterality
- Alternating sides
- Category
- Strength
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Holding one dumbbell at your shoulder while the other presses turns this into a see-saw pattern that keeps both delts loaded from start to finish. The seated position plus the static hold makes it noticeably harder than pressing both bells together, so start a size or two lighter than your usual seated press weight.
How to do the Alternating Dumbbell Seated Shoulder Press
- Sit on a bench with your back straight and feet flat on the ground.
- Hold a dumbbell in each hand, palms facing inwards, and raise them to shoulder height.
- Press one dumbbell up overhead while keeping the other dumbbell at shoulder height.
- Lower the raised dumbbell back to shoulder height while simultaneously pressing the other dumbbell up overhead.
- Continue alternating between arms for the desired number of repetitions.
Tip: Lead with the elbows and think of reaching wide rather than lifting up.
Muscles worked
Primary
Delts · Shoulders
Front raises hit the front delt, lateral raises the side, and Y or rear raises the back head; whichever you pick, the burn should build across the top of the shoulder by the last few reps.
Secondary
- Triceps
- Upper Back — On Y-raises and rear delt raises the lower traps and rhomboids control the shoulder blade and should be felt between the shoulders.
Common mistakes
- Swinging from the hips — a small bounce at the bottom is the sign of a weight that is too heavy; lighten it and lift from a dead stop.
- Shrugging as you raise — the traps take over when the shoulders rise toward the ears; keep them down and lead with the elbows.
- Raising far above shoulder height — on lateral and front raises the upper traps take over past parallel, so stop around shoulder level unless the variation is built to go overhead.
- Locked elbows — keep a soft bend in the elbow throughout so the load stays on the shoulder rather than the joint.
Sets, reps and where it fits
| Goal | Sets × reps | Rest |
|---|---|---|
| Muscle growth | 3–4 × 10–15 | 60–90 s |
| Endurance / finisher | 2–3 × 15–20 | 45 s |
| Strength | Not ideal — pick a compound lift for the same muscle | — |
Raises are accessory work and belong after the presses in a shoulder or push session. Superset lateral raises with a rear delt fly using the same dumbbells for a complete shoulder finisher.
Variations and alternatives
Similar exercises
Without dumbbell
Frequently asked questions
What muscles does the Alternating Dumbbell Seated Shoulder Press work?
The Alternating Dumbbell Seated Shoulder Press primarily works the delts. It also involves the triceps and upper back, which assist the movement and stabilise the joints.
Is the Alternating Dumbbell Seated Shoulder Press good for beginners?
Yes. The Alternating Dumbbell Seated Shoulder Press is rated beginner: it uses a dumbbell and the movement is simple to learn. Start light, focus on the full range of motion and add load once every rep looks the same.
What can I do instead of the Alternating Dumbbell Seated Shoulder Press?
If you cannot do the Alternating Dumbbell Seated Shoulder Press, try the Band Front Raise, the Alternating Cable Shoulder Press or the Seated Dumbbell Lateral Raise. Each of them trains the delts through a similar movement, so you can swap them in without changing the rest of the workout.
How many sets and reps should I do?
It depends on your goal. For the Alternating Dumbbell Seated Shoulder Press, a sensible starting point is muscle growth: 3–4 × 10–15 with 60–90 s rest; endurance / finisher: 2–3 × 15–20 with 45 s rest. Do it after your compound lifts. It is a finishing movement, not the main event.
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