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Two-Arm Dumbbell Preacher Curl

The Two-Arm Dumbbell Preacher Curl primarily targets your Biceps. It requires dumbbell and is best suited to beginner lifters.

Beginner level · Equipment: Dumbbell · Isolation · Pull

Primary muscles: Biceps

How to perform Two-Arm Dumbbell Preacher Curl

  1. Step 1. Grab a dumbbell with each arm and place the upper arms on top of the preacher bench or the incline bench. The dumbbell should be held at shoulder length. This will be your starting position.
  2. Step 2. As you breathe in, slowly lower the dumbbells until your upper arm is extended and the biceps is fully stretched.
  3. Step 3. As you exhale, use the biceps to curl the weights up until your biceps is fully contracted and the dumbbells are at shoulder height.
  4. Step 4. Squeeze the biceps hard for a second at the contracted position and repeat for the recommended amount of repetitions.

Frequently asked questions

What is the primary benefit of using a preacher bench for dumbbell curls?

The preacher bench fixes the upper arms in place, which eliminates momentum and ensures the biceps perform the work. This isolation prevents the anterior deltoids from assisting during the concentric phase.

Which specific muscles are targeted by the two-arm dumbbell preacher curl?

This exercise primarily targets the biceps brachii, with significant emphasis on the short head due to the forward arm position. The brachialis and brachioradialis also act as stabilizers during the movement.

What is a common mistake to avoid during the eccentric phase?

Avoid fully locking out the elbows at the bottom of the rep, as this can place excessive strain on the distal biceps tendon. Maintain a slight bend to keep tension on the muscle and protect the joint.

How should a beginner approach this movement if they lack stability?

Beginners should start with lighter weights to master the fixed range of motion before increasing load. If two dumbbells feel unstable, performing the movement one arm at a time can help focus on form and mind-muscle connection.

What are the recommended sets and reps for hypertrophy?

For muscle growth, perform 3 to 4 sets of 8 to 12 repetitions using a controlled tempo. Focus on a two-second eccentric phase to maximize time under tension and metabolic stress.

Sample sets & reps for Two-Arm Dumbbell Preacher Curl

  • Form first: 3 sets × 10-12 reps, 60s rest. RPE 6, focus on the target muscle.
  • Hypertrophy: 3 sets × 12-15 reps, 45-60s rest. RPE 7-8, controlled eccentric.
  • Burnout finisher: 2 sets × 15-20 reps, 45s rest. RPE 9, last set to failure.

Pick the scheme that matches your goal. Beginners should start at the lower end of every range; progress weight only when you hit the upper end of the rep range with one or two reps in reserve.

Related Biceps exercises

  • Barbell Curl — barbell
  • Barbell Curls Lying Against An Incline — barbell
  • Brachialis-SMR — stretch
  • Cable Hammer Curls - Rope Attachment — cable
  • Cable Preacher Curl — cable

See all Biceps exercises →

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