Two-Arm Dumbbell Preacher Curl — start position
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Two-Arm Dumbbell Preacher Curl — end position
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Arms / Beginner / Isolation (single joint)

Two-Arm Dumbbell Preacher Curl

A dumbbell isolation exercise for the biceps.

At a glance

Primary
Biceps
Equipment
Dumbbells, Bench
Movement pattern
Elbow flexion (curl)
Level
Beginner
Type
Arms, Isolation (single joint)

Loads the elbow. Use a load you can control and skip it if it causes pain.

How to do it

  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. As you breathe in, slowly lower the dumbbells until your upper arm is extended and the biceps is fully stretched.
  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. Squeeze the biceps hard for a second at the contracted position and repeat for the recommended amount of repetitions.

Common mistakes

  • ✗ Dropping into a straight arm at the bottom.

    Why it hurts: The biceps tendon is loaded at full stretch with the pad locking the arm; this is a known cause of biceps tears.

    ✓ Instead: Lower slowly and stop just short of a fully straight elbow.

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Muscles worked

Neck (Front)Upper traps (Front)Front delts (Front)Side delts (Front)Chest (Front)Serratus anterior (Front)Biceps — primary (Front)Forearms & grip (Front)Abs (Front)Obliques (Front)Hip flexors (Front)Quads (Front)Adductors (Front)Shins (tibialis) (Front)Calves (Front)Outer shins (peroneals) (Front)Feet (arch & toes) (Front)Neck (Back)Upper traps (Back)Upper back (rhomboids, mid/lower traps) (Back)Rear delts (Back)Side delts (Back)Rotator cuff (Back)Lats (Back)Lower back (erectors) (Back)Triceps (Back)Forearms & grip (Back)Hip abductors (glute med) (Back)Glutes (Back)Hamstrings (Back)Adductors (Back)Calves (Back)
FrontBack
  • Primary: Biceps

Best for

How specific this exercise is to each movement.

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Photos and instructions: free-exercise-db (github.com/yuhonas/free-exercise-db), public domain.