If you have any disability, then you probably have pondered on this question once, or ten times, before: should I self-disclose my disability on the job application form? Unlike going into the job interview, where your visible disability cannot be concealed, the power lies ultimately in you to check that box on the form.
For people with a physical disability, activity is a lifestyle. It's something that can start in physical therapy, but it really is something that has to be carried over into their everyday lives. What has happened over the years is we're understanding the importance of mobility.