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What Muscles Does a Preacher Curl Exercise?

author image William McCoy
Toronto-based journalist William McCoy has been writing since 1997, specializing in topics such as sports, nutrition and health. He serves as the Studio's sports and recreation section expert. McCoy is a journalism graduate of Ryerson University.
What Muscles Does a Preacher Curl Exercise?
A bald man in a tanktop performs a preacher curl in a gym. Photo Credit: dkotinsky/iStock/Getty Images

Whether you're a fitness buff or someone who just enjoys keeping in shape as you age, strength-training exercises can benefit your health. Strengthening your arms through exercises such as preacher curls has a number of everyday benefits. This exercise isn't quite the same as traditional barbell or dumbbell curls, which target your biceps. By using a preacher bench, the exercise targets a different muscle.

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Target Your Brachialis

Whether you perform the preacher curl with a dumbbell or barbell, standing or sitting, the target muscle of this exercise is the brachialis muscle, which is part of your lower biceps. The brachialis aids the flexion of your elbow.

Other Muscles Help Out

While preacher curls target your brachialis muscles, you can't correctly perform this exercise without the help of some other muscles. The synergist muscles, which play an assisting role, include the biceps brachii and brachioradialis. The stabilizer muscles, which contract but otherwise have little to no movement, include your wrist flexors.

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