Yeah. I think any smooth, physical movement that the person used to do a lot, before he got sick, it's easier for them to do without stiffness or shaking. Michael J Fox said that when he ice skates and plays ice hockey, he feels almost completely normal when he's playing. Plus, they're taking their meds, of course.
i own that dvd for 9.99 props to titleboxing. they got good stuff. about the vid look at 7:45 where he talks about a shot to the chin. prophetic words before the hatton fight.