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arthrogryposis ar·thro·gry·po·sis (är'thrə-grə-pō'sĭs)
The permanent fixation of a joint in a contracted position.
A congenital disorder marked by generalized stiffness of the joints, often accompanied by muscle and nerve degeneration,resulting in severely impaired mobility of the limbs. Also called amyoplasia congenita, arthrogryposis multiplex congenita.