However , in the setting of an ankle fracture the talus can become unstable and subluxate or dislocate .
It is exceedingly rare for the ankle joint to dislocate in the presence of ligamentous injury alone .
In the setting of an ankle fracture the talus can become unstable and subluxate or dislocate .
It is exceedingly rare for the ankle joint to dislocate in the presence of ligamentous injury alone .