Thank you for your in depth comment. It sucks that you are having to witness things like that, that are out of your control. A lot of the time these AHT's come from an inpatient parent, that have unrealistic expectations of what their child is capable of at its current developmental stage. And a lack of literacy on the human anatomy and how much damage can be done internally.
As in "short falls", that is being referred to as just simple falls, or "spills" that happen all the time with children. They can stumble and fall, or roll of a couch, etc. These instances are not severe enough to cause a brain damage injury, or result in permanent damage, or even death. This course was specifically aimed at recognizing abuse. Sure things happen. But if you take the time to watch the video that I presented at the end of the post it will go into great depth on the matter. I hope that helped. Thank you @sparklez