>>90865444Nonsense.
Force of the narrow (not blunt) impact and severing of the SCM and surrounding muscles would lead to a jerking back/to the side of the head.
It looks a little weird because her neck/head ratio are so distorted because it is a cartoon, but that webm
>>90864061 is pretty clearly representing that (or at least doing a decent job at it)
Source: Far too much anatomy followed by med school after EMT. I will admit I haven't seen it happen in person, but I've been around the aftermath