Also known as the wrist bones. There are eight of them, the hamate, the capitate, the pisiform, the lunate, the trapezoid, the trapezium, the triquestral, and the scaphoid.
Since I work with juveniles, a lot of the times these carpals aren't really defined. And by that I mean they just look like blobs of bone. After a while some of them start to form and it's easier to identify. I always remember which one is the lunate because it looks like a crescent-shaped moon.
The capitate also is an easy one to remember because, when formed, there is a slight representation of a head - thus, it's easy to remember as capitate. (I mostly come up with this reference from the term, "decapitate")
Whenever the wrist bones are formed to the point where I can determine which bone is which, I usually have to use my bone manual in order to tell. You have to pay attention to particular surfaces and match them up to the pictures in the manual - which can be hard if the carpals are in the middle of forming, or don't look exactly like the picture in the book.
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