You are at a playground when you notice a man, who has been playing basketball with his son, fall and grab his ankle. He says his ankle hurts very badly, and he does not think that he can walk. What...

You are at a playground when you notice a man, who has been playing basketball with his son, fall and grab his ankle. He says his ankle hurts very badly, and he does not think that he can walk. What action should you take?

You are cross-country skiing with a friend and notice that a person ahead of you has fallen. When you get closer, this person tells you that she has hurt her arm. What signs would indicate that this woman probably has a fractured humerus?