Its interesting to see that the forearm comment seems to have caused offence. While it may seem obvious it is surprising how people often get the body names wrong or the common use is incorrect. This includes Drs.
For example you cant actually break your ankle or wrist, only dislocate them as these are joints
Most people with a broken arm actually have a fractured forearm (a fracture and break are the same). The arm runs from shoulder to elbow but is often imprescisely used to refere to the whole upper limb.
Likewise the leg is often used when one really means lower limb as the leg runs from knee to ankle only.
So while it may seen obvious often there are precise meanings for certain terms in common use. I am often told someone has dislocated their knee ( which carries the risk of amputation) when in fact they have dislocated their patella, a much lesser injury.
Anyway I think precision and definition in terms leads to better understanding.
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