AP and lateral hand x-ray
Typically on plain hand x-ray showing fracture of the 4th or 5th metacarpal

Defined as:
Minimally displaced
Closed
Isolated injury
Fracture angulation of <70 degrees
Boxer's fracture
Non-thumb metacarpal fractures
Smith's fracture
Head
Colles' fracture
Neck
Barton's fracture
Shaft