The dumbbell fix dumbbell thruster is an exercise targeting the shoulders. It is a of the dumbbell thruster, which is a compound exercise that works multiple muscle groups at once. The dumbbell fix dumbbell thruster is a more challenging version of the dumbbell thruster, as it requires more stability and balance. To perform the dumbbell fix dumbbell thruster, start with your feet shoulder-width apart and hold a dumbbell in each hand. With your arms extended in front of you, squat down until your thighs are parallel to the floor. Then, explosively stand up and press the dumbbells overhead. Slowly lower the dumbbells back to the starting position and repeat. This exercise is a great way to build strength and definition in your shoulders.