Getting knees and elbows to deform properly can mean many hours of weighting vertices and even extra modeling. Using a 2-joint knee (sometimes referred to as 2-bone knee) setup can help you cut through the tedium and get on with animating! Download the Simple 2-Joint Knee guide for a quick "How To" that explains one way of incorporating this setup into your character rig.
Download the Simple 2-Joint Knee guide.
Was this "How-To" useful to you? Do you have an alternate way of solving this problem? Please let the community know!