Skeletal Mesh Controllers

Skeletal Controllers:

http://udn.epicgames.com/Three/UsingSkeletalControllers.html

XBox Mapping:

http://www.moug-portfolio.info/udk-input-commands/

Inverse Kinematics:

http://www.3dkingdoms.com/ik.htm
http://www.unrealengine.com/en/features/animation/
http://wiki.beyondunreal.com/UE3:SkelControl_CCD_IK_(UDK)
http://udn.epicgames.com/Three/UsingSkeletalControllers.html#SkelControl properties
SkelControl_CCDIK

State Stacking:

http://udn.epicgames.com/Three/UnrealScriptStates.html#State Stacking
http://drzovil.blogspot.com/2010/07/tutorial-how-do-states-work-in.html