I work with ladders on a daily basis. I have seen a guy have a career ending injury when he set his ladder behind a parking bumper instead of in front. Ladder kicked out and he landed on that parking bumper and SHATTERED his ankle. I mean many pieces...
Had another guy slide and ride a ladder down. He gripped tightly and he messed up his hip, both wrists, knocked a tooth out and through his lip and something like broken ribs or a messed up back.
Just a couple of years ago had a guy who was a friend of a friend painting a store at night. He was working only 12' up. He fell and they found him lying dead in a huge puddle of blood the next morning. I believe they said he died from a head injury. But, by all descriptions it sounds like he would died from blood loss also.
The worst spill I took from a ladder was a fall onto a freshly mulched ground from 22' or so. The worst fall I ever took was 8 stories unto a concrete roof. I don't think I got any mulligans left...

