How to do it
Sit tall against the back support and brace your core before each rep.
- 1
Sit on a bench with a back support and hold a dumbbell with one hand.
- 2
Extend your arm overhead, keeping your elbow close to your head.
- 3
Lower the dumbbell behind your head by bending at the elbow.
- 4
Extend your arm back to the starting position, focusing on contracting your triceps.
- 5
Repeat for the desired number of repetitions before switching arms.
Expert tip
Keep your elbow close to your head and avoid using momentum; let your triceps do the work.
Common mistakes
- ✕Flaring the loaded elbow out to the side
- ✕Letting the dumbbell drift away from the head
- ✕Bending the wrist backward under the load