Question: what are the three characteristics used to classify bone fractures?
Answer: Anatomy. Location: affected bone (proximal, distal) ... 
Extent. Complete. ... 
Orientation: transverse, oblique, spiral.
Displacement: nondisplaced, displaced, angulated.
Fragmentation. ... 
Soft tissue involvement. ... 
Growth plate involvement (pediatric fractures): Salter-Harris fractures.