How to do it
Plant both feet flat on the floor and sit tall on the bench.
- 1
Sit on a preacher bench with a dumbbell in one hand, palm facing down.
- 2
Place the back of your upper arm on the bench and fully extend your arm.
- 3
Curl the dumbbell up towards your shoulder, keeping your palm facing down.
- 4
Slowly lower the dumbbell back to the starting position.
- 5
Repeat for the desired number of repetitions before switching arms.
Expert tip
Ensure that your upper arm remains stationary throughout the exercise to maximize bicep and forearm engagement.
Common mistakes
- ✕Supinating the wrist during the upward curl
- ✕Bouncing the dumbbell at the bottom
- ✕Curling the dumbbell only partway up