Rigify/posing problems

captain b.zip (448 KB)My first attempt at character animation has hit a wall. I’m trying to get the figure to crouch and it’s not happening. I’m not sure what’s wrong, I’ve exhausted everything I can think of. Not sure if I haven’t parented something right or disconnected something or what.
Any help would be greatly appreciated!

Switch to IK for the legs by selecting the foot control and setting the FK/IK slider to 1.000, then grab the torso bone and pull it down.

Thank you! Got another question over in particles and physics if your interested!