The correct answer is - above and below the broken bone or joint.
Explanation:
The splint is helps in preventing the joints or bone from moving. The main purpose of splinting is the prevent the joints from moving and cause further injuries.
The splint is attached to the injured bone or broken bone or joint above and below the site of the broken bone or fracture site. It should support the bone and immobilize bone.
Thus, the correct answer is - above and elbow the broken bone.