You’re a huge football fan. Sundays are spent parked in front of the TV watching crushing blow after crushing blow without really thinking about the concussion or other injury risks for the players, except as it pertains to your fantasy team. But what do you do when your son or daughter says they want to play? Sure, they’re not going up against 300 pound linebackers, but there are still injury risks – and as a parent, how do you balance the benefits of exercise with the risk of them getting hurt?