To define hand floor contact for a character:
Green and blue floor contact markers display around the hands and feet of your character.
If you are working with a humanoid model, the hand markers should display just under the wrist, the base of the palm, and the base of the fingers (not including the thumb).
Moving one hand marker adjusts the other markers accordingly. For example, when you adjust the green markers on the left hand of the character, the blue markers on the right hand are adjusted as well.
The hands of your character hands are now ready to interact naturally with the defined floor. If you have not defined a floor for the hands, the plane at 0 on the Y-axis is used as the floor.
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