Ok so here are two dismembering kicks , very simple both , I'll start with the one which dismembers Uke's leg.

Demo Settings
Hold All [c]
Contract Left Hip
Contract Left Knee
Extend Right Ankle

Space x 2

Extend Left Knee

And here's the one which splits Uke in half!

Demo Settings
Hold All [c]
Contract Left Hip
Contract Left Knee
Extend Right Ankle

Space x 4

Extend Left Knee

Nice and easy and gets what we all want: ukes blood flying from his severed torso ;)

Got him high enough for a decap yet? lol.