2010

Table Of Contents
Moving the joint to the back of the arm creates a bend at the elbow. This
will make it easier to animate the characters arm in the direction an arm
naturally bends.
4 In the perspective view, select left_arm_root. Select Skeleton > Mirror
Joint. This creates a copy of the left arms joint chain for the right arm
and renames them in the process.
The right arm bones and joints appear in a mirrored position.
Adding joints to a skeleton
When you bind a character to a skeleton (described in the next lesson), the
skeleton provides a structure for the characters skin and prevents the skin
from collapsing as you pose the skeleton.
Its useful to add extra joints in areas of the character where you want the
surface to keep its volume upon deformation. In the next steps, youll add
ribs to Jackies skeleton. Although you will not bind the character in this
lesson, the technique of adding ribs is important to learn so that when you
do bind a character, the skin in the torso area will not collapse as you pose
Adding joints to a skeleton | 325