Ligament laxity
Less common causes
Marfan syndrome
Ehlers-Danlos syndrome
Osteogenesis imperfecta
Williams syndrome
Pseudoxanthoma elasticum
Stickler syndrome
Homocystinuria
Uncommon causes
Arterial tortuosity syndrome
Loeys-Dietz syndrome
Lateral meningocele syndrome
Congenital contractural arachnodactyly