Start in standing holding onto the theraband with your elbow bent at 90 degrees and your arm abducted out to the side at 90 degrees too. The theraband needs to be attached to a pole behind you, slightly higher than your shoulder height. Begin the exercise by internally rotating your arm and against the resistance of the band. Continue the movement by pulling the band diagonally across your body to your opposite hip, and simultaneously allowing the shoulder blade the slide forwards and around the rib cage. Return to the start position by reversing the above movement, initiating it by sliding the shoulder blade back and down towards the spine and rotating the arm back up to the start position.