Triceps
Forearms
Lie on decline bench, secure legs.
Hold dumbbell in each hand, arms extended straight up over shoulders, palms facing each other.
Keep upper arms stationary.
Inhale, lower dumbbells by bending elbows, bringing weights towards ears/shoulders.
Stop when forearms near biceps.
Exhale, extend elbows using triceps to push dumbbells back to start.
Repeat.