Performing the: A Step-by-Step Tutorial Resistance Band External Rotation
Keeping your elbows close to your body, slowly rotate your forearms out to the sides, while keeping your upper arms stationary.
Stretch the band out as far as you can, or until your forearms are parallel with the ground.
Hold this position for a few seconds, feeling the tension in your shoulders and upper back.
Slowly return your arms to the starting position, maintaining control of the band at all times. Repeat this process for the desired number of repetitions.