What Causes Loss Of Control In Fingers Spreading To Whole Arm And Leg?

Hi, may I answer your health queries right now ? Please type your query here...sir, my mom has been suffering frm a unique neurological disorder. 2 years before der was a problem with her right hand fingers that she was unable 2 lift heavy weights. it slowly spreading 2 hand and then 2 left hand and 2 legs. nw she cant walk properly dat she has no control and her voice is getting blurred.