Craig McDean uses an 8x10 and a 4x5 to shoot fashion models. Usually studio set-ups with strobes. Basically, the strobe speed is your shutter speed. All the shutter on the lens does is control the ratio of flash to ambient in your exposure. So the fast (short time) of the strobe firing freezes the subject. If the subject moved a great deal, then you could get ghosting, or fuzzy edges.
Just because a 4x5 lens has an f22 setting, doesn't mean you need to use it. However, some people are easier to work with than others. When you find a possibly more difficult subject, then use a setting giving greater DOF. When you have someone better at taking direction, then open up that aperture. Just as an example, I have done many shots at f8.0 or f11.0, instructing the talent to only move along the plane of focus,
one example here. That shot was with a two light set-up, ambient room (studio) light, and f8.0 on a 135mm lens (Fuji Astia 100F Quickload); shutter speed was 1/8 second to allow the room lighting to burn in more.
To set-up a shot like that, you can either draw a line upon which the talent can move, or you can give them reference points along the sides of where they are standing (outside camera lens view. If you want to do headshots, then have your talent (subject) sit in a chair to keep the distance better controlled. If you use swing on the camera at set-up, then you can have your talent align or more along a line at an angle to the camera.
Then you can stand behind the camera, or like I prefer to one side of the camera. What I prefer is interacting with the talent, and when a stance is to my liking I will trip the shutter. Then another Quickload (or Readyload) and the next shot can happen at a short interval. While the pace is still slower than with rollfilm cameras, it can go quickly if you have an assistant to handle the film packets. I find that the relaxed pace makes for a unique interaction that brings out something different in the final image. While I have tried this technique with regular people, I have far better results with actors, actresses, and models; all of whom take directions well and somewhat understand what I am trying to achieve.
Ciao!
Gordon Moat Photography