Trade encourages specialisation, which brings prosperity; global capital markets, for all their problems, allocate money more efficiently than local ones; economic co-operation encourages confidence and enhances security. Yet despite its obvious benefits, the globalised economy is under threat.
RA (the most common disease cause) and Paget disease of the cervical spine can cause atlantoaxial dislocation or subluxation, basilar invagination, or platybasia. Metastatic tumors that affect bone can cause atlantoaxial dislocation or subluxation.
Another form of mal-tracking, associated with a tendency to recurrent patella subluxation is when the kneecap shifts outwards (laterally) as the knee straightens and has to shift inwards (medially) to re-enter the trochlea groove as the knee starts to bend again.