How can I effectively perform a dumbbell French press exercise to target my triceps and improve upper body strength?

To effectively perform a dumbbell French press exercise for targeting your triceps and improving upper body strength, follow these steps:

1. Lie on a bench with a dumbbell in each hand, palms facing each other.
2. Extend your arms straight up above your chest.
3. Slowly lower the dumbbells towards your ears by bending your elbows.
4. Keep your upper arms stationary and only move your forearms.
5. Pause briefly at the bottom of the movement, then push the dumbbells back up to the starting position.
6. Repeat for the desired number of reps.