First, go to 0:9, 0:20,1:06, to see it took multiple quick strikes to paralyze.
Then, go to 0:30 and 1:29 to see a PERFECT example of what I was talking about in this post. How only their arms got paralyzed.
In 0:30, his first arm got paralysed, and he continued to fight with his other.
In 1:29...