Barbell Curl
- Secondary muscles
- Forearms
- Body part
- Upper Arms
- Position
- Standing
- Laterality
- Bilateral (both sides together)
- Category
- Strength
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No curl variation lets you load the biceps heavier than a straight bar held in both hands, which is why the barbell curl anchors most arm training. The fixed grip locks your wrists into full supination, maximizing biceps involvement but also making this the most wrist-demanding curl in the family.
How to do the Barbell Curl
- Stand up straight with your feet shoulder-width apart and hold a barbell with an underhand grip, palms facing forward.
- Keep your elbows close to your torso and exhale as you curl the weights while contracting your biceps.
- Continue to raise the bar until your biceps are fully contracted and the bar is at shoulder level.
- Hold the contracted position for a brief pause as you squeeze your biceps.
- Inhale as you slowly begin to lower the bar 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 barbell
Frequently asked questions
What muscles does the Barbell Curl work?
The Barbell Curl primarily works the biceps. It also involves the forearms, which assist the movement and stabilise the joints.
Is the Barbell Curl good for beginners?
Yes. The Barbell Curl is rated beginner: it uses a barbell 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 Barbell Curl?
If you cannot do the Barbell Curl, try the Leg Resisted Biceps Curl, the Side Lying Bodyweight Biceps Curl or the EZ-Bar 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 Barbell 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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