Instructions:

1. Set an incline bench to a 45-degree angle and sit on it with a dumbbell in each hand, palms facing inwards.
2. Lean forward slightly and let your arms hang straight down, keeping a slight bend in your elbows.
3. Raise your arms out to the sides and up in a Y shape until they are parallel to the ground.
4. Pause for a moment at the top, then slowly lower your arms back down to the starting position.
5. Repeat for the desired number of repetitions.