Could you recognise concussion symptoms?

There are plenty of ways you could end up with a concussion. A bump can happen anywhere, but recent moves to minimise the risks in professional sports have put the footy field in the spotlight. So if you're a parent making the decisions for your kids, do you know enough about concussion to decide when they're OK to play?New research suggests most parents aren't confident in their knowledge around concussion, and many are holding their kids back from playing sport because of it.