Dumbbell Curl — how to, muscles worked, alternatives

How to do the Dumbbell Curl

Stand tall, holding a dumbbell in each hand, palms facing forward.
Curl both dumbbells toward your shoulders, bending only at your elbows.
Lower the dumbbells slowly back down to your sides, fully extending your arms.

Full technique — 6 steps

Stand tall with a dumbbell in each hand, arms at your sides, palms facing forward.
Set your shoulders back and keep your elbows close to your torso.
Curl both dumbbells upward by bending your elbows without letting them drift forward.
Raise the weights until your forearms are nearly vertical and your biceps fully shorten.
Lower the dumbbells back to your sides until your elbows are fully extended.
Begin the next rep with your elbows fully extended, without swinging your torso or hips.

Common mistakes

Swinging the torso to start reps
Letting elbows drift forward
Cutting the bottom range short
Bending wrists under the dumbbells
Turning it into a hammer curl

Form cues

Keep elbows by sides
Start from full elbow extension
Palms stay up
Lift both evenly

Compared with similar variants

	Dumbbell Curl	Hammer Curl	Alternating Dumbbell Curl	Barbell Curl
Level	Beginner	Beginner	Beginner	Beginner
Technique to learn	easy	easy	easy	easy
How tiring	low	low	low	low
Elbow	low	low	low	moderate
Wrist	low	low	low	low
Equipment	Dumbbells	Dumbbells	Dumbbells	Barbell

An estimate from our exercise ratings, not medical advice. How we rate exercises

Substitutes by equipment

Same muscles, same movement — pick the version you have the gear for.

Where to start and where to go next

Same muscles, same movement. Too hard for now — step down; once it gets easy — step up.

Easier Alternating Machine Biceps Curl Beginner
This exercise Dumbbell Curl Beginner
Harder Seated Zottman Curl Beginner
Harder Single Arm Dumbbell Zottman Preacher Curl Intermediate

Too hard for now? Start with the Alternating Machine Biceps Curl.

Quick answers

What muscles does the Dumbbell Curl work?

Primary: Biceps 10/10. Also works: Forearms 6/10.

Which joints does the Dumbbell Curl load?

Elbow: low, Wrist: low.

When should I do the Dumbbell Curl in a workout?

Finisher. Goes last, once the heavy work is done. ≈ 6 min with rest.

How many sets and reps of the Dumbbell Curl?

Strength: 3–4 sets of 6–8 reps, rest 1 min 30 s, 2 reps in reserve. Muscle growth: 3–4 sets of 8–12 reps, rest 1 min 15 s, 2–3 reps in reserve. Endurance: 2–3 sets of 15–20 reps, rest 45 s, 3–4 reps in reserve.

What can I do instead of the Dumbbell Curl?

Barbell: Barbell Curl, Single Arm Barbell Curl. Resistance bands: Resistance Band Spider Curl, Squatting Resistance Band Curl. No equipment: EZ Bar Spider Curl, Leg Resisted Biceps Curl. Kettlebell: Incline Bench Kettlebell Preacher Curl, Kettlebell Concentration Curl.