EZ Barbell Close Grip Preacher Curl vs EZ Barbell Seated Curls

Compare target muscles, equipment, difficulty, movement type, and secondary muscles for EZ Barbell Close Grip Preacher Curl and EZ Barbell Seated Curls.

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Ez Barbell Close Grip Preacher Curl vs Ez Barbell Seated Curls — you’re choosing between two beginner-friendly isolation moves that target the biceps and forearms. I’ll walk you through how each exercise stresses the muscle differently, the exact technique cues to maximize contraction, what equipment you need, and which one to pick for hypertrophy, strength, or convenience. Expect clear comparisons of muscle activation, joint angles (think elbow flexion 0°–130°), rep ranges (6–12 for hypertrophy), and quick programming tips so you can pick the exercise that fits your training plan.

Exercise A

EZ Barbell Close Grip Preacher Curl

Target Biceps

Equipment Ez-barbell

Body Part Upper-arms

Difficulty Beginner

Movement Isolation

Secondary Muscles

Forearms

Exercise B

EZ Barbell Seated Curls

Target Biceps

Equipment Ez-barbell

Body Part Upper-arms

Difficulty Beginner

Movement Isolation

Secondary Muscles

Forearms

Muscles used

Listed target and secondary muscles, shown on the body. Locations, not activation or strength scores.

Target
Secondary
Not highlighted

EZ Barbell Close Grip Preacher Curl

Front

Back

Target: Biceps
Secondary: Forearms

EZ Barbell Seated Curls

Front

Back

Target: Biceps
Secondary: Forearms

Grey does not mean a muscle is unused. The diagrams show only the mapped catalogue labels.

Attribute	EZ Barbell Close Grip Preacher Curl	EZ Barbell Seated Curls
Target Muscle	Biceps	Biceps
Body Part	Upper-arms	Upper-arms
Equipment	Ez-barbell	Ez-barbell
Difficulty	Beginner	Beginner
Movement Type	Isolation	Isolation
Secondary Muscles	Forearms	Forearms

Visual Comparison

An illustrative 1–10 profile derived from catalog difficulty, equipment, and listed-muscle fields—not measured performance or muscle activation.

Key Differences

Both exercises target the Biceps using Ez-barbell. The catalogue does not establish which exercise is better for an individual goal.

Muscle comparison

Shared target muscles

Both exercises primarily load the biceps brachii through elbow flexion across a similar 0°–130° range of motion, so peak contraction occurs near 80°–110° of elbow flexion. Each movement emphasizes the short and long heads of the biceps; neither dramatically shifts activation away from the other, so both give strong targeted stimulus for muscle growth when you hit 6–12 reps with controlled tempo.

Secondary muscle differences

The preacher curl limits shoulder extension, reducing long-head assistance from shoulder position and slightly increases brachialis and forearm flexor involvement at the bottom position. Seated curls allow small shoulder movement and natural forearm supination, which can increase brachioradialis and wrist flexor recruitment, especially near lockout.

Muscle involvement analysis

Preacher curl forces a more isometric shoulder and isolates elbow flexion, creating a steeper length-tension curve early in the rep and a stronger peak mid-range. Seated curls permit subtle shoulder mobility and wrist supination, producing a smoother activation curve across the full ROM and a stronger emphasis on the lockout contraction.

Equipment and setup

EZ Barbell Close Grip Preacher Curl: setup

Ez Barbell Close Grip Preacher Curl requires an EZ-bar and a preacher bench (pad set at roughly 30°–45°). You need a stable pad height so your armpits sit just over the top of the pad and elbows track on the pad during the whole set.

EZ Barbell Seated Curls: setup

Ez Barbell Seated Curls require an EZ-bar and a stable seat or bench. No specialized pad is mandatory; a simple upright bench or even a chair with back support works if you keep your torso upright and avoid swinging.

Access and practicality

Ez Barbell Seated Curls — they win for accessibility because you only need a seat and an EZ-bar. Preacher curls need the preacher bench to get the mechanical isolation that defines the movement.

Learning and progression

Learning the movements

Seated curls are easier to learn: keep your chest up, elbows tight by your sides, and curl through the elbow with controlled tempo. Preacher curls require more setup precision—pad height and arm placement matter—so there’s a slightly steeper setup learning curve.

Progression considerations

Seated curls offer broader progression: you can add load, adjust tempo, use partials, or switch grips (wide/narrow). Preacher curls progress well by increasing strict reps and tempo but have less room for heavy overload without a spotter due to the fixed arm position.

Limitations and precautions

Relative injury risk is similar but different: preacher curl can overload the distal tendon if you hyperextend at the bottom or use excessive load, while seated curls can invite shoulder swing and lower back strain if you cheat. Use conservative loading and prioritize technique to minimize risk.

Pros & Cons

EZ Barbell Close Grip Preacher Curl

+ Pros

Strong isolation of elbow flexion—minimizes shoulder contribution
Fixes upper arm to reduce momentum and cheating
Consistent joint angle for repeatable reps and technique
Great for mid-range peak contraction and emphasizing the short head

− Cons

Requires preacher bench or pad for proper form
Bottom position can place extra stress on distal biceps tendon if overloaded
Less room for heavy progressive overload without assistance

EZ Barbell Seated Curls

+ Pros

Highly accessible—only a seat and EZ-bar needed
Allows slight shoulder movement for fuller ROM and natural supination
Easier to add load and variations (tempo, drop sets, partials)
More forgiving setup for beginners learning elbow tracking

− Cons

Easier to cheat with shoulder swing, reducing isolation
Slightly less mid-range peak isolation than preacher curl
May recruit more forearm and brachialis, diluting pure biceps focus

When Each Exercise Wins

For muscle hypertrophy: Ez Barbell Close Grip Preacher Curl

Preacher curl limits shoulder involvement and reduces momentum, concentrating tension on the biceps through the mid-range where mechanical tension drives hypertrophy. Use 6–12 reps with controlled 2–1–2 tempo to maximize time under tension.

For strength gains: Ez Barbell Seated Curls

Seated curls allow safer progressive overload and heavier loading patterns (4–6 and 6–8 reps), plus small shoulder movement that helps you handle bigger absolute weights while maintaining functional strength transfer.

For beginners: Ez Barbell Seated Curls

Seated curls have a simpler setup and lower technical demand—keep elbows tucked and chest tall to learn strict elbow flexion before adding complexity like pad positioning.

For home workouts: Ez Barbell Seated Curls

You only need an EZ-bar and a chair or bench at home. Preacher curls require a specialized bench, making seated curls the practical choice for limited-equipment settings.

Frequently Asked Questions

Can I do both Ez Barbell Close Grip Preacher Curl and Ez Barbell Seated Curls in the same workout?

Yes. A good approach is heavy seated curls first for strength and load (4–6 or 6–8 reps), then preacher curls as an isolation finisher for 8–12 reps with strict tempo to maximize metabolic stress and mid-range tension.

Which exercise is better for beginners?

Seated curls are better for beginners because they have an easier setup and lower technical demand—focus on upright posture, elbow tracking, and controlled reps before progressing to the more setup-sensitive preacher curl.

How do the muscle activation patterns differ?

Preacher curls restrict shoulder motion, creating a sharper mid-range peak and greater isolated elbow flexor activation, while seated curls permit slight shoulder movement and supination, producing a smoother activation across the range and more forearm involvement near lockout.

Can Ez Barbell Seated Curls replace Ez Barbell Close Grip Preacher Curl?

Seated curls can replace preacher curls if you need simplicity or limited equipment, but you’ll lose some mid-range isolation. If your goal is focused peak contraction and strict form, include preacher curls periodically rather than fully replacing them.

Comparison Summary

Use the Ez Barbell Close Grip Preacher Curl when your goal is to isolate the biceps and maximize mid-range tension—set the pad at 30°–45°, use a close grip to bias the short head, and aim for 6–12 controlled reps. Choose Ez Barbell Seated Curls when you want accessibility, easier progressive overload, or are just starting; keep elbows pinned and use 6–12 reps for hypertrophy or 4–6 for strength-focused sets. If you train both, sequence preacher curls as a focused finisher after heavier seated work to capitalize on pre-fatigue and maintain progressive loading.

Exercise instructions

Steps from the exercise catalogue. Read the full sequence before starting.

EZ Barbell Close Grip Preacher Curl

Sit on a preacher curl bench and place your upper arms on the pad, gripping the ez barbell with an underhand grip.
Rest your triceps on the pad and fully extend your arms, keeping your back straight.
Slowly curl the barbell towards your shoulders, contracting your biceps.

Read remaining steps for EZ Barbell Close Grip Preacher Curl

Pause for a moment at the top, squeezing your biceps.
Lower the barbell back to the starting position, fully extending your arms.
Repeat for the desired number of repetitions.

EZ Barbell Seated Curls

Sit on a bench with your feet flat on the ground and your back straight.
Hold the ez barbell with an underhand grip, palms facing up, and your hands shoulder-width apart.
Rest your upper arms on your thighs, allowing the ez barbell to hang down in front of you.

Read remaining steps for EZ Barbell Seated Curls

Keeping your upper arms stationary, exhale and curl the ez barbell upwards towards your shoulders.
Pause for a moment at the top, squeezing your biceps.
Inhale and slowly lower the ez barbell back to the starting position.
Repeat for the desired number of repetitions.