Chest tube management part 2

For lateral chest tube insertion in a patient experiencing significant discomfort from rib fractures, which positioning is most appropriate?

1: Prone position with the arm on the same side as the fractures extended above the head
2: Supine position with the arm on the opposite side of the fractures elevated above the head
3: Supine position with the arm on the same side as the fractures raised above the head
4: Upright sitting position with the arm on the same side as the fractures resting on a table