This is an exercise for shoulder and trapezius strengthening.
1.Stand near a post or other stable tall object. With your one hand, hold the post.
2.Grasp the dumbbell in your other hand with a pronated grip (palms facing backwards).
3.Place the dumbbell in front of your thigh, this is starting position.
4.Lift the dumbbell upward to your shoulder with your elbow pointing away from your body in a rowing motion.
5.Lower your arm to starting position and repeat.