my docter told me i have a type of tennises in my shin bone that he wanted to put me in a wheel chair and he told me i would be in a wheel chair for good by the age of 45. i am trying to find the name of this desease. it is where the shin fell like a sharp kniff is going up and down twisting as it is goin up and down and the shin bone fells like it is going to brake right in half so please help me