Limbs far end has muscle weakness , amyotrophy , tendinous reflex drops or disappear , often have " ungual state hand " reach hang down sufficient .

肢体远端有肌软弱，肌萎缩，腱反射减退或消失，常有“爪状手”及垂足。

" Division is written again " meal " word and admit , also do not answer . Say : " the ungual what that eats in your home ?

师又写“饭”字与认，亦不答。曰：“你家中吃的爪什么？”