Seated Close-Grip Concentration Barbell Curl
The seated close-grip concentration barbell curl is a two-handed curl done bent over on a bench, gripping the bar with your hands close together and bracing your upper arms against your inner thighs. That braced position removes almost all body swing, forcing the biceps to do the full lifting on their own. It's a stricter alternative to a standing curl for anyone who tends to lean back or swing the hips to move the weight.
Why it works
The biceps flex the elbow, and they get their cleanest training stimulus when the upper arm stays fixed and the rest of the body can't help move the weight. Bracing your upper arms against your inner thighs while bent over does exactly that: it pins the shoulder in place so the only thing that can move the bar is the elbow bending, which is the biceps' actual job. The close grip on the bar also keeps both hands and forearms working through a similar, natural curling path, rather than the wider stance some barbell curls use, which some lifters find puts less strain on the wrists at the top of the rep.
Set up
- Sit on the edge of a bench with a barbell in front of you, feet planted and knees apart.
- Bend forward at the hips and grip the bar with a close, shoulder-width or slightly narrower grip, palms facing up.
- Rest the backs of your upper arms against your inner thighs, letting the bar hang with your arms extended.
- Keep your back flat rather than rounded as you settle into the bent-over position.
How to do it
- Keeping your upper arms braced against your thighs, curl the bar up by bending your elbows.
- Continue until your forearms are close to vertical and your biceps are fully contracted.
- Pause briefly at the top, squeezing your biceps.
- Lower the bar back down slowly until your arms are fully extended again.
- Keep your torso still and bent over throughout the set; only your forearms should move.
- Repeat for the full set without letting your upper arms lift off your thighs.
Form cues
- Upper arms braced on the thighs the whole set.
- Only the forearm swings, nothing else.
- Full extension at the bottom of every rep.
- Squeeze at the top before lowering.
Breathing: Exhale as you curl the bar up, inhale as you lower it back down.
Common mistakes
Letting the upper arms lift away from the thighs to help swing the bar up.
Fix: Keep your upper arms pressed against your inner thighs throughout; if they lift, your shoulders and back start assisting the curl.
Only curling through a short, partial range at the top.
Fix: Let the bar travel until your forearms are close to vertical each rep, so your biceps get a full, deliberate contraction.
Rushing the lowering phase and letting the bar drop.
Fix: Lower the bar over two or three seconds instead of letting gravity do it; the controlled lowering is a large part of the training effect.
Using a grip much wider than shoulder width, which turns it into a different curl entirely.
Fix: Keep your hands close together as the name suggests; a wide grip changes the angle and the exercise this movement is meant to be.
How to program it
- As a strict isolation curl, two or three sets of 8 to 12 reps a couple of times a week fits well alongside other pulling or arm work.
- Use a noticeably lighter bar than you'd use for a standing barbell curl; the braced, strict position doesn't allow the momentum that a standing curl often relies on.
- This works well later in an arm-focused session, once the biceps are already warmed up from an earlier compound pull like a row.
- If your lower back feels the bent-over position more than your biceps feel the curl, shorten how far forward you lean rather than pushing through discomfort.
Safety notes
- Keep the forward bend moderate; you don't need a deep hinge for the exercise to work, and a shallower lean is easier on the lower back.
- Choose a weight that lets you keep the strict, braced position for every rep; if you start swinging to finish reps, the load is too heavy.
- Give your wrists a moment to settle into the palms-up grip before the first rep; a rushed setup with heavy load can strain the wrist at the bottom stretch.
Exercise profile
- Force
- Pull
- Mechanics
- Isolation
- Category
- Strength
Frequently asked questions
How many sets and reps should I do for the seated close-grip concentration barbell curl?
Two or three sets of 8 to 12 reps works well, using a lighter bar than you'd choose for a standing curl since the braced position removes any help from momentum.
What can I do if I only have dumbbells?
Concentration curls use the same braced-elbow setup one arm at a time with a dumbbell instead of a barbell.
Why does my back feel this more than my biceps?
Check how far you're leaning forward; a moderate hinge is enough, and leaning too far can shift some strain onto the lower back instead of keeping the focus on the biceps.
How is this different from a regular preacher curl?
A preacher curl braces your upper arms against a padded bench instead of your own thighs, which some lifters find locks the arm position even more strictly than this bent-over version.