The daughter hits a kid at school and when the parents find out, the son asks if she is "going to get a spanking". This insinutates the children have been abused before, knowing to ask if they are going to get hit/beat. No children are punished though.
Todd slides into third base during a church softball game, resulting in a sickening crunch and what appears to be a severely broken leg. We see him writhing in pain on the ground and glimpse the bloody wound. One of the first people to his side says "it looks like a spiral fracture". With blood present it was possibly a compound fracture having broken the skin.
Defending her little brother from taunts at school, Cassie hits two bullies in the face. She's disciplined by the school, but Dad expresses nothing but pride in her. Laughing off the Bible's admonition to turn the other cheek, he says he's going to need to teach her how to hit without hurting her hand.
In a moment of deep frustration, Sonja angrily hurls a glass into the kitchen sink, where it shatters.