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fractures
| Question | Answer |
|---|---|
| Bennetts | Fx at base of 1st metacarpal |
| Boxers | Fx of the metcarpal neck |
| Buckle | Impacted fx with bulging of periosteum |
| Clay shovelers | Avulsion fx of spinous process in lower cervical and upper thorasic (dorsal) |
| Colles | Fx of distal radius with posterior displacement |
| Hangmans | Fx anterior arch of c2 due to hyperextension |
| Hill-sachs defect | Impacted fx of posterolateral aspect of humeral head with dislocation |
| Jefferson | Comminuted fx of ring of c1 |
| Jones | Avulsion fx of the base of 5th metatarsal |
| Potts | Avulsion fx of medial malleolus with loss of ankle mortise |
| Smiths | Fx distal radius with anterior (palmer) displacement |
| Compression | Fx causes compaction of bone and a decrease in length or width |
| Simple | An undisplaced fx |
| Compound | Fractured end of bone has penetrated skin (open fx) |
| Incomplete | Fx does not transverse entire bone; little or no displacement |
| Greenstick | Break of cortex on one side of bone only; found in infants and children |
| Avulsion | Small bony fragment pulled from bony prominence as a result of forceful pull of the attatched ligament or tendon. |
| Hairline | Faint undisplaced fx |
| Butterfly | Comminuted fx with one or more wedge or butterfly wing-shaped pieces |
| Spiral | Long fx encircling a shaft; result of torsion (twisting force); especially lower leg (distal tibia and proximal fibula) |
| Oblique | Longitudinal fx forming an angle (approx 45 degree) with the long axis of the shaft. |
| Transverse | Fx ocurring at right angles to long axis of bone |
| Monteggia | Fx proximal third of ulnar shaft with anterior dislocation of radial head |
| Trimalleolar | Fx lateral malleolus, fx medial malleolus on medial and posterior surfaces |
| Pathologic | Fx of bone weakened by pathologic condition such as metastatic bone disease |