Table 1.

Differences between Avulsion and Rupture

Avulsion	Rupture
Nerve tearing from its attachment or at its bone margin	Nerve division plus traction
In an operative wound, only one disrupted end can bee seen. Usually need second wound for seeing the other end).	Two disrupted ends can be seen in an operative wound
Level 1 is a proximal avulsion from spinal cord. Level 4 injury is a distal avulsion from muscle or at its bone margin.	Level 2, 3, and 4 injury