One crew impaled his knee on the mast rotation spanner which went in behind the knee cap (patela?) when the cat which was riding on hydrofoils dived through a wave instead of going over it and came to a sudden stop .

An 18 foot QB2 skipper fell off trapeze and got dragged for an extended distance with the mainsheet loopeded around his forearm. He had to wear a half cast to support his arm for months before the bones re-knit multiple fractures. On recovery He bought a lazer.