Sit on a bench with your feet flat on the ground and a dumbbell in each hand, resting on your thighs. Keep your back straight and core engaged. Raise the dumbbells to your sides with a slight bend in your elbows, until your arms are parallel to the ground. Pause for a moment at the top, then slowly lower the dumbbells back down to the starting position. Repeat for the desired number of repetitions.
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