Noun
(countable, teratology) The permanent fixation of a joint in a contracted position.
(uncountable, teratology) A congenital disorder in which the joints are so fixed because of lack of muscle development.
Source: en.wiktionary.orgWhen I was born, I was diagnosed with Arthrogryposis Multiplex Congenita (AMC), a congenital joint contracture in two or more areas of the body. Source: Internet