Final answer:
The nurse is using skeletal traction to place the client's dislocated arm in its original position.
Step-by-step explanation:
The type of traction being applied to the client is skeletal traction. Skeletal traction involves the use of pins or wires inserted into the bone to apply traction and align the dislocated bone. This method provides a more stable and controlled traction compared to other types, such as manual traction or skin traction.