| A | B |
|---|
| Open | compound fracture, broken end of bone penetrates the skin |
| Closed | simple fracture, skin is not penetrated |
| Impacted | compression type, one end of bone is forced into end of the other |
| Greenstick | common in children, bone partially bent and partially broken |
| Pathologic | caused by disease |
| Oblique | twisted apart, fx at angle to longitudinal axis of bone |
| Transverse | fx is at right angle to longitudinal axis |
| Spiral | bone fragments rotate around one another |
| Comminuted | bone is broken into 3 or more components |
| Multiple | bone is broken in several places |
