Manual for adjust
Rez and place objects.
It is useful that you should aline all objects at some y-axis.
This table are constructed by 3 parts. (body restraint unit, wrist restraint unit, leg restraint unit)
First you should check option "Stretch Textures" of edit-menu.

You (or your patient) should sit at a pose-ball of "patient".
Adjust size and position a wrist-unit.
Adjust size and position a leg-unit.
If your leg is too long, maybe, you should adjust more detail.
You should switch link-edit-mode.
See following photographs.
Ctrl-Shift and drag red,blue,green points.