Ashles,
At 34, he goes from a dynamic close shot to a tiny walking figure, we're crossing the line of action and moving from one room into a different one so it's a disconcerting shot anyway, all he need to be doing to match up is be walking.
At 41, just before the cut, he's actually just standing still, then raises his arms just after it, just stand on the same mark and he's golden.
When you watch a movie, shots that follow right in the middle of an action are often taken hours, days or sometimes weeks apart. Sometimes someone will walk through a doorway into a completely different set, filmed months later and it will work completely smoothly. For instance, in The Life Aquatic, the reverse shot on Jeff Goldblum's boat was filmed on a soundstage, much later. It isn't at all a rare skill to match actions from a previous shoot, it's an essential part of the craft.
