My dd fractured one of her leg bones by tripping her own two feet in the kitchen. It was not a dramatic fall at all but something apparently fractured. We had it x-rayed and everything but there was still nothing they could do. She crawled for a week or so and slowly got herself back to walking. I really wish we had not taken her to the ER. She fell at 11:30 pm. We had a dinner party that night (Thanksgiving actually) and she was up extra late. By the time a doc got around to us it was 3am! She handled it fine but the doc jumped all over us wanting to know why our 2 yo was up at 11:30pm. I have no idea why he thought this was his business. Anyway, lesson learned. A $600 lesson. Unless there is a great deal of swelling, excrutiating pain, or an obvious break we are just gonna let it heal itself.