[Michael Romanos]

Absolutely, Jane. That's why handlers go over a course before the event up to several times, so they can store in their memory box, the layout of the course and the way they and their dogs are going to approach each obstacle.
I even practice the commands I am going to give at each of the obstacles - like many people I sometimes give the wrong command at the heat of the moment, but with experienced dogs, it doesn't much matter what you say (within reason of course).