1 - Anchor a resistance band above shoulder height and slightly to the side of the working arm.
2 - Stand tall facing the anchor and hold the band with the working arm raised diagonally overhead and out to the side, thumb pointing up or slightly back.
3 - Brace your core, keep your ribs down, and maintain a slight bend in the elbow without shrugging your shoulder.
4 - Pull the band diagonally down and across your body toward the opposite hip, rotating the arm so the thumb turns toward or slightly behind the hip.
5 - Pause briefly at the end position while keeping the shoulder blade controlled and the torso still.
6 - Slowly return along the same diagonal path to the starting position under control.
7 - Repeat for the desired number of repetitions, then switch sides.