37 points
The actor has some serious back problems and that weird way of getting into a chair is one of the ways he avoids triggering a flare up
8 points
Slight correction, had back problems. He was in a car accident and had to sit like that until it healed. By the time it was healed everyone just expected him to sit like that.
3 points
Wil Wheaton confirmed the furniture-moving story: https://old.reddit.com/r/scifi/comments/1dx9y7/riker_sits_down_always_with_the_leg_over_the/c9v52pj/?context=2
What makes you say it was a car accident?
25 points
