FK construction options

• There's more than one way to do FK

• Root placement:

  • First joint above pelvis
    • Good for standing or sitting
    • Poor contraposto
  • Above navel:
    • Good for motion or action
    • Bad for sitting

• Body space torso control:

  • Torso control parented to root / C-G
  • Control point-constrained to top spine joint
  • Skeleton orient-constrained to control
    • Good for upright actions
    • Bad for whip action
    • Spline IK solution usually better