Exercise technique

dumbbell alternate preacher curl

The dumbbell alternate preacher curl is an isolation exercise targeting the biceps, performed on a preacher bench to minimize cheating and maximize biceps engagement. It is performed by alternating arms, curling a dumbbell up while keeping the upper arm stationary on the pad.

How do you perform this exercise?

  1. Sit on a preacher bench with a dumbbell in each hand, palms facing up.
  2. Rest your upper arms on the pad of the preacher bench, allowing your arms to fully extend.
  3. Keeping your upper arms stationary, exhale and curl the dumbbell in your right hand as you contract your biceps.
  4. Continue to curl the dumbbell until your biceps are fully contracted and the dumbbell is at shoulder level.
  5. Pause for a moment, then inhale and slowly lower the dumbbell back to the starting position.
  6. Repeat the movement with your left arm.
  7. Continue alternating arms for the desired number of repetitions.

Which other muscles are involved?

Forearms.

How do you log your sets?

How do you track progressive overload?

Source: ExerciseDB catalogue and demonstration. Related movements are options to compare, not equivalent loads or a prescribed progression.

Alternatives to explore

STARK is a strength training tracker for iPhone and Apple Watch. Log sets, repetitions and weights, then follow your progress. Core features are free. Explore STARK’s features