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Wide Grip Barbell Curl: Build Thicker Biceps & Target the Inner Bicep Head

Wide Grip Barbell Curl: Build Thicker Biceps & Target the Inner Bicep Head

Want arms that make T-shirts feel nervous? The wide grip barbell curl is your shortcut to thicker, wider-looking biceps. Short answer: go wider, grow wider — especially when paired with best-selling fixed barbells that keep the movement smooth. Stick around to learn form tricks, variations, and why wider = better.


What Is the Wide Grip Barbell Curl?

Definition & movement pattern — barbell curl wide grip vs standard

Take your regular barbell curl. Slide those hands out wider than shoulder-width. Suddenly, your biceps get hit in a way they’re not used to. Same movement. New fire in the muscle.

Wide Grip Barbell Curl vs Barbell Curl — why grip width matters

A wider grip changes leverage. And by shifting it, you’re placing extra stress on the short head of the biceps — the part that makes your arms look fuller from the front.

How wide grip affects biomechanics — inner biceps emphasis

The wide hand position opens the elbows outward, forcing the inner biceps to take on more of the load. You’ll feel that tension right in the meat of the muscle.

When to choose wide curls vs close grip curls

Want wider arms? Pick wide grip curls.
Want a higher bicep peak? Close grip curls.
Smart lifters use both.


Wide Grip Barbell Curl Muscles Worked

Primary muscles — short head of the biceps (inner biceps width)

This is your width-builder — the part people notice when you walk into a room.

Secondary muscles — brachialis, brachioradialis, forearms

They stabilize the lift and help when fatigue sets in. If your forearms feel cooked — that’s normal.

How different types of bicep curls shift activation

Simple change, different result. Grip width, rotation, and angle all change how your arm looks after months of training.

Wide grip curls vs close grip curls — muscles worked difference

Wide grip = thick, 3D front view.
Close grip = taller peak.
Alternate like a bodybuilder.


How to Do Wide Grip Barbell Curls with Proper Form

Setup — stance, bar position, grip width, wrist alignment

Stand tall. Grip outside shoulder-width. Keep wrists stacked under the bar — no bending backward.

The curl — elbow alignment, range of motion, contraction timing

Curl up smoothly while locking elbows at your sides. Feel every inch of that tension.

The descent — tension retention, no swinging

Slow. Controlled. That’s how muscle is built — not with a swinging lower back.

Key form cues — stable torso, neutral wrist, controlled tempo

If you have to rock your body to lift it — the weight’s too heavy.

Common mistakes & fixes — rocking body, inconsistent grip width

Pick grip marks on the knurling. Stay consistent. That’s how you track real progress.


Wide Grip Barbell Curl Variations & Alternatives

Variations — EZ curl bar wide grip, preacher wide grip curl, seated wide curl

Each variation brings less cheating and more isolation — especially preacher work.

Alternatives — dumbbell wide curl, cable wide grip bicep curls

Perfect if you want constant tension or if the barbell irritates your wrists.

Related curl variations — hammer curls, close grip curls, different types of curls

For arm-day dominance, include moves that hit every angle — that’s the key to full bicep shape.

When to choose each variation — strength, hypertrophy, injury considerations

Switch it up if your wrists complain or if progress stalls. A fresh stimulus wakes the muscle up.


Programming & Training Tips for Bigger Biceps

Rep and set recommendations — hypertrophy vs strength

Big reps build big biceps. Stick with 8–12 per set, then occasionally drop to 5–8 for strength.

Where wide grip curls fit in a weekly arm routine

Hit them early in your workout when energy is high — that’s when technique is sharpest.

Tracking progress with grip width changes

Move your hands just slightly wider every few weeks for new growth demands.

Combining wide curls with other bicep curl variations for full muscle growth

A perfect bicep combo:
✔ Wide grip for width
✔ Close grip for peak
✔ Hammer curls for thickness
That’s how you get the full package.


Benefits of Wide Grip Barbell Curls

Targets inner biceps thickness for wider-looking arms

Instantly makes your sleeves look tighter. A crowd favorite in bodybuilding.

Allows stronger contraction at mid-range

You’ll feel the squeeze right at the point where curls normally get easy.

A foundational addition to bicep curl variations & curl workouts

Small adjustment → big payoff.

Complements close grip bicep curls for balanced growth

Work both ends of the muscle for the most aesthetic result.


Safety Tips & Mobility Considerations

Wrist stress — neutral grip adjustments

If wrists hate it, try a slight inward rotation or switch to an EZ curl bar for relief.

Avoiding elbow irritation from improper form

Don’t flare elbows or yank the weight — smooth power does the job.

Shoulder stability during wide grip curls

Keep shoulders down and back — your traps shouldn’t take over.

Warm-up drills — forearms, shoulders, elbow joint prep

Just a few warm-up sets can save your joints and boost performance.


Recommended Equipment for Best Results

Best barbells for curls — Straight Bar, Fixed Straight Bar, EZ Curl Bar, Fixed Curl Bar

All solid picks — choose the one that keeps your wrists happiest.

Best-selling fixed barbells (20–115 lb) for safe curl setup

No shifting plates. No wobbling. Just clean arm work and great control.

Recommended plates — Olympic grip plates, bumper plates

Easy loading and reliable balance for repeated arm-day domination.

Top brands: Troy, TKO, TAG Fitness, York, Body Solid, Intek Strength

Trusted by lifters with sleeves that always look too tight.

Weekly 5% discounts + bulk pricing available

Save money → buy more plates → build bigger arms. Smart economics.


Final Takeaway — Why Wide Grip Barbell Curls Earn a Spot on Arm Day

Recap: key muscles & width-building benefits

If you want thick-looking arms and a better bicep shape — this move delivers.

Why wide curls + close grip curls = total biceps development

Hitting both heads means you get the front view AND side view gains.

Action step: add 3×8–12 wide grip curls to your next upper-body session

Try it next workout. You’ll immediately feel where the gains are coming from.

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