how do i blend a ragdoll and a characters animation

can you please tell me how to do this. i want it a bit like this - YouTube

my game is a fps and right now all i have is,when a player dies and a ragdoll pops out of no where it doent look real so thats why i want to do this.

(and i know this questions been asked but that wasent really a way to do it);

you can use AnimFollow it creates a ragdoll that follows your animation so you can get
physics while you have animation