What makes the Bayesian curl different from a standard cable curl?

By facing away from the machine, you place the bicep in a stretched position behind the body. This emphasizes the long head of the bicep and maintains tension throughout the entire range of motion.

Should I use heavy weights for this exercise?

It is better to use moderate weight and focus on strict form and the mind-muscle connection. Because the bicep is in a vulnerable stretched position, excessive weight can increase the risk of strain.

Can I perform this exercise with both arms at once?

While possible on a dual-cable station, performing it unilaterally allows for better focus on the stretch and prevents the cables from rubbing against your body.

How to Do Bayesian Curls: Form and Benefits Guide

Master the Bayesian curl to build bigger biceps. Learn the proper cable setup, step-by-step form instructions, and common mistakes to avoid for better arm growth.

How to Perform

Set the pulley to the lowest position and attach a single D-handle.
Stand facing away from the cable machine and grasp the handle with one hand in an underhand grip.
Step forward until your arm is extended behind your torso and you feel a distinct stretch in the bicep.
Curl the handle toward your shoulder while keeping your elbow pinned slightly behind your midline.
Squeeze the bicep at the top of the movement without letting the elbow drift forward.
Lower the weight slowly under control until the arm is fully extended in the starting position.
Complete the set on one side before switching to the other arm.

Common Mistakes

Allowing the elbow to swing forward during the contraction
Using momentum or leaning the torso forward to move the weight
Shortening the range of motion by not fully extending at the bottom
Gripping the handle too tightly which can overtax the forearms

Muscles Worked

Primary movers

Biceps

Stabilizers

Brachialis
Brachioradialis
Forearms

Related Guides

Air Pushdown — Arms
Alternating Biceps Curls With Dumbbell — Arms
Alternating dumbbell hammer curl — Arms

Biceps · Arms