What is the head splint technique used for in a potential spinal injury?

The head splint technique is critical in the context of managing a potential spinal injury, particularly when a victim is suspected of having such an injury in the water. The primary purpose of this technique is to stabilize the head and neck to prevent further injury.

By using the arms to secure the head in place, the instructor or rescuer minimizes movement of the cervical spine, which is vital in preventing exacerbation of a potential spinal injury. Any movement could lead to more serious damage to the spinal cord, and therefore, maintaining the head in a neutral position is essential for the safety of the individual.

This technique also involves keeping the body in a position where water can be managed, allowing for effective rescue while prioritizing the safety of the victim. In contrast to the other options, which either do not provide adequate support to the neck or may exacerbate the situation, securing the head effectively protects the spine while aiding in the rescue process.