Verb (used with object), : to avulse a ligament.    From Dictionary.com. 

The singularity matrix will avulse at the Gamma Quadrant entrance in approximately eighteen hours.    From Wordnik.com.  [Time's Enemy]

The force exerted by the cog drawing on the rope was sufficient to avulse his whole arm and shoulder-blade.    From Wordnik.com.  [Anomalies and Curiosities of Medicine] Reference