catatonic rigidity

The driver fell to the pavement in catatonic rigidity.

Catalepsy is the term for catatonic rigidity of the limbs which often results in abnormal posturing for long intervals.

Tonnis' works are "supported with psychological knowledge" His earliest drawings reflect his interest in psychoanalysis and psychopathology such as, catatonic rigidity or the postnatal psychosis depicted in his 1980-85 collection.