Fetal Akinesia Deformation Sequence 1, also known as fetal akinesia deformation sequence, is related to multiple pterygium syndrome, escobar variant and polyhydramnios. An important gene associated with Fetal Akinesia Deformation Sequence 1 is MUSK (Muscle Associated Receptor Tyrosine Kinase), and among its related pathways/superpathways is Agrin Interactions at Neuromuscular Junction. The drugs Borage oil and Antirheumatic Agents have been mentioned in the context of this disorder. Affiliated tissues include lung and placenta, and related phenotypes are respiratory insufficiency and intrauterine growth retardation