The arm is its own system, from the shoulder to the hand. If you set a key for the bicep the "arm system" gets a key. Planted keys are there for the hands and feet only. You can't lock down a elbow or a shoulder, it will always lock down the hand. If you into the Key Info Rollout > IK > click the box next to Select pivot.…
Monster, Yea motion builder is great! But we don't have it at work... I really like being able to stick any part of a rig to any other part of another rig, great for fighting sequences. By full body keys do you mean their full body IK system? Because that's pretty awesome too, or did you mean there is a way to set keys on…