| Phenotype details |
11m-not sitting; slowly progressive; walk up to 10 min; mainly manual wheelchair user, able to stand up with assistance, unable to walk; generalised weakness (proximal and distal, upper and lower limbs), facial weakness, ptosis; absent reflexes; talipes at birth; kyphoscoliosis, 12y-surgery, rigid spine (thoraco-lumbar); generalised muscle wasting; bilateral ptosis, ophthalmoplegia; dysphagia; birth respiratory insufficiency, forced vital capacity 0.5 L (0.19), non-invasive ventilation (BiPAP); cleft palate; migraine; mild myopathic changes (in childhood) |