Complex sentence: To prevent further injury, unnecessary movement of the spine is minimized by securing the neck with a cervical collar, and the back with a long spine board with head supports, or other medical transport device such as a Kendrick extrication device, before moving the person.
Split into simpler sentences: To prevent further injury, unnecessary movement of the spine is minimized by securing the neck with a cervical collar, and the back with a long spine board with head supports. This can be accomplished with other medical transport devices such as a Kendrick extrication device, before moving the person.