it you go to google books and google
Neurology for the non-neurologist
you will be taken to a preview of this book. Very interesting - gait disorders begin on page 27.
If you select the table of contents, you can get to the chapters of interest to you.
Here's the link if you prefer to copy and paste this......
http://books.google.com/books?id=A31JRSndVIYC&printsec=frontcover&source=gbs_v2_summary_r&cad=0#v=onepage&q=&f=false
Yes, we do have unusual reading habits around here!
Lulu