Your companion slipped and fell while hiking. He may have a back injury. How do you decide whether it is safe for him to walk out or if you need to medically evacuate? This article gives some good suggestions for field level spinal clearances if help is far away.
Anyone who participates in athletic pursuits in third world countries without a quality EMS system should understand this information.
Backcountry Emergencies: Why You Should Learn How To Identify Spinal Injuries