Performing the: A Step-by-Step Tutorial Dumbbell Lying One Arm Rear Lateral Raise
Hold a dumbbell in your upper hand with a neutral grip, your arm should be fully extended and in line with your body.
Keeping your arm straight, slowly raise the dumbbell upwards until it is at shoulder height and parallel to the floor.
Pause at the top of the movement for a moment to engage your shoulder muscles.
Gradually lower the dumbbell back down to the starting position, ensuring to maintain control of the movement throughout. Repeat this for the desired number of repetitions before switching sides.