Many of the victims and survivors of the M1 Kegworth crash of 1989 (79 of the 126 people on board survived) had legs broken below the knee as their legs were forced against the seats in front of them. So keep your feet as far back as possible.
And ignore Internet rumors that the brace position guarantees to break your neck and back to make death as painless as possible, says Clubb. It has been proven to minimize injury.
10. If you have to jump, do it.
When it's time to leave the aircraft, exit will be by slide. Jump feet-first, arms folded across chest and lean forward. If you hesitate, Clubb warns, a member of the cabin crew is likely to push you.