i done this by using bend will on a dragon and then repeatedly pressing Y to mount itans i carried on pressing it. i was stuck in the floor and then used fast travel to get out from being stuck. i then glided along the floor because the game thought i was sat on the dragon.
if you go in first persong then tilt the camera angle up or down you want then go in third person and look at your character. its head will be looking the way the 1st person camera was but the body wont.