All Exercises

Dumbbell Seated Preacher Curl

Perform dumbbell seated preacher curls to isolate your brachialis and build impressive arm definition.

Intermediate
Isolation
Pull
1 min per set2 min rest

Description

A seated exercise that targets the biceps by performing a curl using a dumbbell with the support of a preacher bench.

How to Do Dumbbell Seated Preacher Curl

  1. 1
    Setup

    Adjust the preacher bench height so your triceps are fully supported and your armpit is close to the top edge of the pad.

  2. 2
    Setup

    Sit down, grab a dumbbell with an underhand grip, and place the back of your upper arm firmly against the preacher pad.

  3. 3

    Fully extend your arm downwards, allowing the dumbbell to hang and your brachialis to stretch at the bottom.

  4. 4

    Exhale as you curl the dumbbell upwards towards your shoulder, keeping your upper arm pressed against the pad.

  5. 5

    Squeeze your brachialis at the peak of the contraction, holding briefly before slowly lowering the dumbbell with control.

Tips

  • Maintain constant tension on the brachialis by avoiding full lockout at the bottom of the movement; stop just short of complete elbow extension.
  • Concentrate on squeezing the brachialis throughout the curl, visualizing the muscle working to lift the weight, not just moving the dumbbell.
  • Control the eccentric (lowering) phase for at least 2-3 seconds to maximize muscle fiber recruitment and time under tension.
  • Keep your wrist straight and stable throughout the exercise to prevent wrist strain and ensure the load is primarily on the brachialis.

Common Mistakes

  • ×Lifting your hips off the seat to generate momentum reduces the isolation on the brachialis; ensure your hips remain firmly planted throughout the set.
  • ×Swinging the dumbbell up using shoulder or back momentum instead of pure arm strength compromises muscle activation; use a lighter weight to maintain strict form.
  • ×Not fully extending the arm at the bottom limits the range of motion and stretch on the brachialis; allow a full, controlled stretch before initiating the curl.

Variations

Related Exercises

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