Although the symptoms vary between individuals, usually seen in the following figures.


  • Lying in frog leg position 
  • Fasciculation in tongue 
  • Loose muscle structure 
  • Decreased arm-leg movements 
  • Decreased deep tendon reflexes 
  • Weakness 
  • Inability to walk 
  • Respiratory stiffness 
  • Malnutrition 
  • Skinny cry 
  • falling behind your peers, moving slowly 


The same symptoms can also be seen in different diseases. Therefore, the definitive diagnosis is made by genetic examination.