I'm trying to understand what does twisting means when the subject is a raging dog.
I can't make sense of simple definitions of twist (to bent, to rotate) in the context of the following examples:
My adrenalin must have been really pumping for I managed to lift this snarling, twisting dog up into the air and held him straight up over my head. (source)
The insanely twisting dog was now held by his collar and a back leg. (source)
He shoved the fiercely twisting dog backward, jammed a pistol against Wolf's head, and pulled the trigger! (source)
I know that the verb lunge is commonly used when describing a raging dog, but wonder whether twist has a particular meaning?
P.S. If it does, it would be great if you could share an image or a video that demonstrates it, but it's a bonus :)