MONDO_0007842 (joint laxity, familial) is a type of Ehlers-Danlos syndrome characterized by generalized joint hypermobility often complicated by dislocation of major joints, particularly the shoulder but in some cases the kneecap. Congenital hip dislocation has also been frequently reported. The syndrome has been described in several families. It is transmitted as an autosomal dominant trait, with high penetrance. Also known as: EDS XI, Ehlers-Danlos syndrome type 11, formerly, Joint instability syndrome, familial joint instability syndrome, familial joint laxity.