The Basic Types of Spine Frx & their Mechanisms
Type
Mechanism
Compression
Flexion
anterior
anterior flexion
lateral
lateral flexion
Burst
Axial load
A
axial load
- both end plates
B
axial load+flexion
- superior end plate
C
axial load+flexion
- inferior end plate
D
axial load+rotation
- rotation
E
axial load+lat. flex.- lat. wedgin of vert. body
Seat Belt
Flexion Distraction
Fracture Dislocation
Flexion-Rotation
Flexion-Rotation
Shear
Shear (AP or PA)
Flexion Distraction
Flexion Distraction
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The Basic Types of Spinal Fractures and the Columns Involved in Each
Type of Fractures
Ant. column
Middle column
Post. column
Compression
Compression
None
None or distraction in
severe fractures
Burst
Compression
Compression
None or distraction
Seat Belt
None/compress.
Distraction
Distraction
Fx/dislocate
Compression &
Distract & /
Distraction &/or
Original Text by Clifford R. Wheeless, III, MD.