Instructions:

1. Set an incline bench to a 45-degree angle and sit on it with a dumbbell in each hand.
2. Place your feet flat on the ground and let your arms hang straight down with your palms facing your body.
3. Keeping your arms straight, shrug your shoulders up towards your ears as high as possible.
4. Hold the contraction for a moment, then slowly lower your shoulders back down to the starting position.
5. Repeat for the desired number of repetitions.