My father has stage 4 Parkinson's (same age as the patient from the article, diagnosed in 2015) and the odds of him being able to walk more than 50 meters witho

My father has stage 4 Parkinson's (same age as the patient from the article, diagnosed in 2015) and the odds of him being able to walk more than 50 meters without locking up are pretty hit-or-miss, so to me this distance sounds mind blowing