Amniotic constriction ring, Amyotrophic lateral sclerosis, Anxiety, Areflexia of lower limbs, Arthrogryposis multiplex congenita, Brisk reflexes, Cerebral atrophy, Cryptorchidism, Degeneration of anterior horn cells, Depression, Difficulty walking, Downslanted palpebral fissures, Dysarthria, Dyspnea, Dystonia, Edema, Emotional lability, Facial diplegia, Fatigable weakness of bulbar muscles, Fatigable weakness of respiratory muscles, Fatigable weakness of swallowing muscles, Fatigue, Feeding difficulties, Fetal akinesia sequence, Generalized hypotonia, Generalized muscle weakness, Hand clenching, High palate, Hip dysplasia, Hypertelorism, Hypoplasia of the musculature, Inability to walk, Kyphosis, Laryngospasm, Limitation of joint mobility, Low-set ears, Low-set, posteriorly rotated ears, Microcephaly, Micrognathia, Motor delay, Muscle spasm, Mutism, Myopathic facies, Myopia, Nausea and vomiting, Neurodegeneration, Pain, Paralysis, Paucity of anterior horn motor neurons, Peripheral axonal neuropathy, Polyhydramnios, Prominent forehead, Ptosis, Pulmonary hypoplasia, Recurrent fractures, Respiratory insufficiency, Respiratory insufficiency due to muscle weakness, Retrognathia, Rocker bottom foot, Scoliosis, Seizure, Short neck, Short stature, Single transverse palmar crease, Skeletal muscle atrophy, Slender long bone, Spasticity, Talipes equinovarus, Webbed neck, Widening of cervical spinal canal, Xerostomia