I kind of figured that was some type of park Linda. You were still in a very dangerous situation. Regardless of the "tameness" of the animal it is not a domesticated animal. You were locked into a very confined space and had that young, "tame" animal become frustrated by not being able to reach what he was reaching for it would have been very possible that he toss his head and you could very well have been seriously hurt or killed.
I was raised around livestock all my younger days and, even with those domesticated animals, have been hurt from head tossing and other sudden movements by the animal either moving from frustration, trying to shake off flies, having a tic, and any number of other things, and that while not being in a closely confined area.