What muscles does the Cable One-Arm Preacher Curl work?

The Cable One-Arm Preacher Curl primarily targets the biceps brachii, focusing on the peak contraction. It also engages the forearm muscles for grip strength and stability during the movement.

Do I need specific equipment to do the Cable One-Arm Preacher Curl?

Yes, you'll need a preacher bench along with a low cable pulley system. If you don’t have access to cables, you can perform a similar movement with a dumbbell or resistance band while seated at a preacher bench.

Is the Cable One-Arm Preacher Curl suitable for beginners?

Beginners can perform this exercise if they use light weights and focus on proper form. The fixed arm position on the preacher bench makes it easier to maintain control and prevent swinging compared to standing curls.

What are common mistakes to avoid with Cable One-Arm Preacher Curls?

Common mistakes include lifting the elbow off the pad, using too much weight that forces momentum, and failing to fully extend the arm at the bottom. Keep the upper arm firmly against the pad and move in a slow, controlled manner for best results.

How many sets and reps should I do for Cable One-Arm Preacher Curls?

For muscle growth, aim for 3–4 sets of 8–12 reps per arm using challenging but manageable weight. For endurance or definition, you can perform 2–3 sets of 12–15 reps with lighter resistance.

What safety tips should I follow when doing Cable One-Arm Preacher Curls?

Always maintain a secure grip on the handle and avoid jerking the weight to protect your elbow joint. Adjust the bench height so your armpit fits comfortably at the top of the pad, preventing strain on your shoulder and biceps tendon.

Are there variations of the Cable One-Arm Preacher Curl I can try?

Yes, you can try the two-arm preacher curl using a bar attachment, or perform the exercise with an EZ bar for reduced wrist strain. Switching to a resistance band or dumbbell allows you to replicate the movement when cable equipment isn’t available.

Cable One-Arm Preacher Curl

Target Muscles

Primary:

Biceps

Secondary:

Forearm

Equipment Required

Bench

Strength Machine

Exercise Type

Weight & Reps

How To Do

Sit on a preacher bench with your arm resting on the pad and grasp a low cable handle with an underhand grip. Keeping your upper arm pressed against the pad, curl the handle upward by contracting your biceps, then slowly lower it back to the starting position. Maintain control throughout the movement and avoid lifting your elbow off the pad.

Step-by-Step Instructions

Sit on a preacher bench with your arm resting on the pad. Adjust the seat height so your arm is comfortably supported and your armpit is close to the top of the pad.
Attach a single handle to a low pulley cable machine and grab the handle with an underhand grip (palm facing up).
Start with your arm fully extended and the cable taut, ensuring there is tension in the biceps.
Slowly curl the handle upward by contracting your biceps, keeping your upper arm stationary and pressed against the pad.
Continue curling until your forearm is vertical or slightly past vertical, achieving maximum contraction in the biceps.
Pause briefly at the top of the movement, then slowly lower the handle back to the starting position in a controlled manner.
Repeat for the desired number of repetitions, then switch arms and repeat the exercise on the other side.

Explore more biceps exercises or bench exercises in our exercise library.

Alternative Exercises

Cable Preacher Curl

Biceps

Bench • Strength Machine

Cable Lying Close Grip Curl

Biceps

Bench • Strength Machine

Dumbbell Preacher Curl

Biceps

Bench • Dumbbell

Barbell Preacher Curl

Biceps

Bench • Barbell

Frequently Asked Questions

What muscles does the Cable One-Arm Preacher Curl work?: The Cable One-Arm Preacher Curl primarily targets the biceps brachii, focusing on the peak contraction. It also engages the forearm muscles for grip strength and stability during the movement.
Do I need specific equipment to do the Cable One-Arm Preacher Curl?: Yes, you'll need a preacher bench along with a low cable pulley system. If you don’t have access to cables, you can perform a similar movement with a dumbbell or resistance band while seated at a preacher bench.
Is the Cable One-Arm Preacher Curl suitable for beginners?: Beginners can perform this exercise if they use light weights and focus on proper form. The fixed arm position on the preacher bench makes it easier to maintain control and prevent swinging compared to standing curls.
What are common mistakes to avoid with Cable One-Arm Preacher Curls?: Common mistakes include lifting the elbow off the pad, using too much weight that forces momentum, and failing to fully extend the arm at the bottom. Keep the upper arm firmly against the pad and move in a slow, controlled manner for best results.
How many sets and reps should I do for Cable One-Arm Preacher Curls?: For muscle growth, aim for 3–4 sets of 8–12 reps per arm using challenging but manageable weight. For endurance or definition, you can perform 2–3 sets of 12–15 reps with lighter resistance.
What safety tips should I follow when doing Cable One-Arm Preacher Curls?: Always maintain a secure grip on the handle and avoid jerking the weight to protect your elbow joint. Adjust the bench height so your armpit fits comfortably at the top of the pad, preventing strain on your shoulder and biceps tendon.
Are there variations of the Cable One-Arm Preacher Curl I can try?: Yes, you can try the two-arm preacher curl using a bar attachment, or perform the exercise with an EZ bar for reduced wrist strain. Switching to a resistance band or dumbbell allows you to replicate the movement when cable equipment isn’t available.