StrengthIntermediate

EZ-Bar Preacher Curl

A biceps curl performed with the upper arms pinned to a preacher bench. Removes all cheating and forces the biceps short head to do every rep.

GIF · Demo EZ-Bar Preacher Curl

What is the ez-bar preacher curl?

The EZ-bar preacher curl is a seated biceps isolation. You sit at a preacher bench with the upper arms resting on the angled pad, hold an EZ bar with palms up, and curl from a fully extended position to a roughly 90-degree elbow angle. The bench locks the elbows in place so no swing, no hip drive, no shoulder elevation can sneak in. The angled EZ-bar grip protects the wrists. The result is one of the cleanest biceps stimuli in the gym, especially for building the lower portion of the upper arm near the elbow.

How to do the ez-bar preacher curl

Set the seat

Adjust the seat so your armpits rest comfortably at the top of the pad. Feet flat, chest tall.

Grip the EZ bar

Hold the inner angled section of the EZ bar, palms up, hands shoulder-width. Wrists stay straight.

Lower to near-full extension

Let the bar travel down until the elbows are just shy of fully locked out. Do not hyperextend the joint.

Curl with control

Squeeze the biceps to lift the bar to around chin height. Do not yank, do not lean back. Lower over two seconds.

Coach tip

Half the lifters I see use a preacher like a swing seat. The bench should hold you still, not provide momentum. If your shoulders rise at the top, drop the weight and rebuild the rep.

Common mistakes

Slamming the bottom. Letting the bar drop into hyperextension stresses the biceps tendon. Control the descent.
Shoulders lifting at the top. If the shoulders elevate to finish the rep, the front delts steal the work. Stop the curl at chin height.
Wrists bent. Curling the wrists in or back at the top turns it into a forearm exercise. Keep them straight.
Too heavy, partial reps. Preacher curls expose load tolerance brutally. Pick a weight you can take through full range, even if it looks small.

Variations & progressions

Easier

Single-arm preacher with dumbbell

One dumbbell at a time lets you focus on a single arm and dial in the range without imbalances.

Harder

EZ preacher with eccentric overload

Curl up with both arms, lower with one over four seconds. Massive stimulus per rep.

No preacher bench?

Spider curl on incline bench

Lie chest-down on an incline bench. Arms hang freely, same elbow-fixed effect.

How to program it

Three protocols by goal. Pick one per cycle and aim for progression on load or distance.

Goal	Sets × Distance	Load	Rest
Hypertrophy	4 × 8-10	RPE 8	90 s
Stretch focus	3 × 12 with 1 s pause bottom	Moderate	75 s
Pump finisher	3 × 15	Light	45 s

Log every rep

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EZ-Bar Preacher Curl FAQ

Why is the preacher curl so brutal?

Two reasons. The bench eliminates every cheat lifters unconsciously use on a standing curl, so each rep falls purely on the biceps. And the angled pad puts the biceps in a slightly stretched position at the bottom, where the muscle is mechanically weakest. The combination makes a moderate load feel ridiculous.

EZ bar or straight bar?

EZ bar wins for almost everyone. The neutral-ish grip removes the wrist strain a straight bar creates in the preacher position. The biceps stimulus is identical or slightly better, since you can chase a full range without pain. Use a straight bar only if your wrist mobility is exceptional and pain-free.

Where should I place it in a biceps day?

Second or third. Start with a heavy bilateral movement like the barbell curl, then move to the preacher when the biceps are pre-fatigued. The preacher is unforgiving of fatigue-induced form breakdown so don't finish a workout with it when the brain is fried. Finish with hammer curls or cable curls instead.