Want beautiful, toned arms? Tone your triceps in one single move.

One-arm overhead tricep extension - IMAGE - Women's Health and Fitness magazine

How to

Sit down on a bench. Position the dumbbell overhead with arm straight up.

Lower dumbbell behind your neck while keeping your upper arm vertical throughout the exercise. Extend your arm back up to the starting position.

Repeat for desired amount of reps, then repeat on the other side.

NEXT: 14 exercises for toned arms>>

Model: Nichelle Laus; Photo credit: Dave Laus