Competitive parents are suffering a spate of embarrassing injuries as they try to beat their kids on the Wii. Docs say it is mums and particularly dads who are underestimating the effort needed to play. Some have suffered excruciatingly painful injuries to their neck, shoulders and elbows leaving them unable to go to work. Some patients admit that they have broken Nintendo\’s recommendations and played for up to 10 hours without a break.