Man doing broomstick external shoulder rotation exercise, man golding broomstick or pvc pipe to the side while grabbing other end to loosen up the shoulder, example image: https://images, squarespace-cdn, com/content/v1/5f5e8592d2b0854b18af6975/1646777378365-pi1tvstg31db8hc3kw56/dowel%2bexternal%2brotation, jpg?format=750w