Dumbbell Seated Hammer Curl
- Secondary muscles
- Forearms
- Body part
- Upper Arms
- Position
- Seated
- Laterality
- Bilateral (both sides together)
- Category
- Strength
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Doing hammer curls seated with both arms working together makes the set shorter and more intense than the alternating version, with no leg drive to lean on. The neutral grip keeps the wrists in a strong line, so this suits straight sets where you want honest, matched effort from both arms.
How to do the Dumbbell Seated Hammer Curl
- Sit on a bench with a dumbbell in each hand, palms facing your torso and arms extended straight down.
- Keeping your upper arms stationary, exhale and curl the weights while contracting your biceps.
- Continue to raise the dumbbells until your biceps are fully contracted and the dumbbells are at shoulder level.
- Hold the contracted position for a brief pause as you squeeze your biceps.
- Inhale and slowly begin to lower the dumbbells back to the starting position.
- Repeat for the desired number of repetitions.
Tip: Lower for three seconds and stop just short of locking out the elbow to keep the muscle under tension.
Muscles worked
Common mistakes
- Elbows drifting forward — as the elbows come up the front delt starts to lift the weight; pin the elbows to your sides and let only the forearm move.
- Swinging from the hips — a small rock backward on each rep means the weight is too heavy; drop it and curl from a dead stop.
- Cutting the bottom short — stopping with the elbow bent shortens the range where the biceps are stretched; lower until the arm is nearly straight.
- Wrists curling at the top — flexing the wrist toward you brings the forearm flexors in; keep the wrist neutral or slightly extended.
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 | — |
Curls go at the end of a pull session or arm day, after the rows and pulldowns that also load the biceps. Superset them with triceps pushdowns on the same cable stack or triceps extensions with the same dumbbells.
Variations and alternatives
Similar exercises
Without dumbbell
Frequently asked questions
What muscles does the Dumbbell Seated Hammer Curl work?
The Dumbbell Seated Hammer Curl primarily works the biceps. It also involves the forearms, which assist the movement and stabilise the joints.
Is the Dumbbell Seated Hammer Curl good for beginners?
Yes. The Dumbbell Seated Hammer Curl 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 Dumbbell Seated Hammer Curl?
If you cannot do the Dumbbell Seated Hammer Curl, try the Leg Resisted Biceps Curl, the Side Lying Bodyweight Biceps Curl or the Seated Close Grip EZ-Bar Concentration Curl. Each of them trains the biceps 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 Dumbbell Seated Hammer Curl, 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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