Dumbbell Preacher Curl
- Secondary muscles
- Forearms
- Body part
- Upper Arms
- Position
- Seated
- Laterality
- Bilateral (both sides together)
- Category
- Strength
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Working one dumbbell at a time on the preacher pad gives each arm a full set of undivided attention, with the pad stopping the shoulder from sneaking in. The single-arm setup makes it one of the cleanest tools for bringing up an arm that curls weaker than its partner.
How to do the Dumbbell Preacher Curl
- Sit on a preacher curl bench with your feet flat on the floor.
- Hold a dumbbell in one hand with an underhand grip, resting your upper arm against the preacher pad.
- Keeping your upper arm stationary, exhale and curl the dumbbell up towards your shoulder.
- Pause for a moment at the top, then inhale and slowly lower the dumbbell back down to the starting position.
- Repeat for the desired number of repetitions, then switch arms.
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 Preacher Curl work?
The Dumbbell Preacher Curl primarily works the biceps. It also involves the forearms, which assist the movement and stabilise the joints.
Is the Dumbbell Preacher Curl good for beginners?
Yes. The Dumbbell Preacher 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 Preacher Curl?
If you cannot do the Dumbbell Preacher Curl, try the Leg Resisted Biceps Curl, the Side Lying Bodyweight Biceps Curl or the Barbell Preacher 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 Preacher 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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