Exercise · Arms
Barbell curl at the gym
The barbell curl is a classic exercise to train the front of your arms, mainly the biceps, with some forearm work. It’s a simple movement that helps you build strength and control, whether you’re new to the gym or more experienced. You can use the fixed-weight barbells you usually see on the rack.
- Biceps
- Forearms
Doable at all 76 gyms GoSet follows
The essentials
- Elbows close to your sides.
- Curl without momentum, lower slowly.
Muscles worked
- Primary
- Biceps
- Secondary
- Forearms
How to do it
- Pick a fixed-weight barbell you can control without cheating and stand tall, arms down by your sides, hands just wider than shoulder-width, palms facing forward.
- Set your feet under your hips, brace your core, and keep your chest up. Keep your elbows close to your sides instead of letting them drift forward.
- Inhale, then bend your elbows to curl the bar up, keeping your shoulders steady and avoiding any swing from your back or hips.
- Curl until your forearms are close to vertical or you feel your elbow range of motion stop, without bending your wrists back.
- Lower the bar in about 2 to 3 seconds, keeping control, elbows close to your body, and letting your arms straighten without forcefully locking out.
- Breathe normally between reps and reset your posture if you feel your lower back arching or your torso starting to rock.
Common mistakes
Using your back to swing the weight up
Instead : Bring your feet a bit closer, tighten your abs, and keep a slight bend in your knees. Choose a lighter bar so you can curl without momentum and feel the biceps do the work.
Elbows drifting forward
Instead : Think about pinning your elbows to your ribs at the start of every set. If you see your elbows move forward in the mirror, stop the curl there and start lowering the bar.
Dropping the bar too fast
Instead : Count 2 to 3 seconds in your head as you lower the bar. If you can’t control the descent anymore, the bar is likely too heavy or the set is done.
Wrists bent back
Instead : Keep your wrists in line with your forearms, as if you were pushing the bar with your palm. Hold the bar firmly, but don’t squeeze so hard that your wrists collapse back.
Coach tips
- Keep your eyes looking straight ahead and your upper body still to better isolate your biceps.
- Breathe out as you curl the bar up and in as you lower it to keep a steady rhythm and avoid holding your breath too long.
- Start with a lighter bar on your first sets to practice slow, controlled lowering before adding more weight.
- End the set when you feel you need to cheat with your back or hips to get the bar moving.
Variations
- Use a lighter bar and add a 1-second pause at the top of each rep to focus on control.
- Adjust your grip a bit narrower or wider to find the hand position that feels best on your wrists.
- Do tempo sets with a moderate weight (about 3 seconds down, 1 second up) to really feel the biceps working.
Sets and reps
This exercise is often done for 3 to 4 sets of about 8 to 15 repetitions, with a load that still lets you control the lowering phase on every rep.
Equipment
Alternatives for the same muscles
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Common questions
Where should I feel the barbell curl?
You should mainly feel it at the front of your upper arm in the biceps, and a bit in your forearms. If you mostly feel your lower back or shoulders, you’re probably swinging too much or the bar is too heavy.
Is it better to go heavy with low reps or lighter with more reps?
Both styles are commonly used. What matters most is keeping clean form, not cheating with your back, and picking a rep range where you can control both the way up and especially the way down.
Should I fully straighten my arms at the bottom?
You can lower until your arms are almost fully straight, as long as it feels comfortable on your elbows. If you feel discomfort or pain, reduce the range a bit and talk to a health professional.
What if the straight bar hurts my wrists?
If the straight grip bothers you, you can switch to another biceps exercise that your gym has, like a cable biceps curl, rope hammer curl, or preacher-style curl, and pick the one that feels best for your wrists.