Hellow Doctor this is Murali from ooty, India .It is about health problem of my mother in law.She is of 66 years old. Her legs were inactive for last 10 years, all of sudden she was not able to walk and she walks with some support by dragging her legs. she is very active all the time. She is healthy, she eats normally. We have checked with doctors but they couldn't diagnose the problem. They say because of lack of Calcium made her leg bones inactive. I am confused , I need a medical advice,please.