How do you do the Preacher Curl (Barbell)?

Sit at a preacher bench with your armpits at the top of the pad and the backs of your upper arms flat on it. Take an underhand grip on the curl bar. Curl the bar up toward your shoulders and squeeze. Lower slowly until your arms are nearly straight.

What muscles does the Preacher Curl (Barbell) work?

Mainly the biceps, with help from the forearms.

What are common Preacher Curl (Barbell) mistakes?

Using so much weight that you swing the body. Cutting the range short with half reps. Bending the wrists. Lifting the arms or elbows off the pad.

Preacher Curl (Barbell): how to do it, form cues and muscles worked

How to do it

Sit at a preacher bench with your armpits at the top of the pad and the backs of your upper arms flat on it.
Take an underhand grip on the curl bar.
Curl the bar up toward your shoulders and squeeze.
Lower slowly until your arms are nearly straight.

Key cues

Upper arms pressed into the pad
Underhand grip, wrists straight
Squeeze at the top
Lower slowly through the full range

Common mistakes

Using so much weight that you swing the body
Cutting the range short with half reps
Bending the wrists
Lifting the arms or elbows off the pad

Muscles worked

Primary: Biceps
Secondary: Forearms

Equipment

Preacher bench and ez bar.

Variations

Preacher Curl (Dumbbell)
Dumbbell · Biceps · Isolation

References

StrengthLog: Barbell Preacher Curl
BarBend: How to Do the Preacher Curl