User Guide > Rigging > Character Setup > Skeletons > Full body IK > 
Joint labels and names
 
 
 

For information on joint types or joint labelling and renaming methods, see FBIK joint types and FBIK joint labelling and naming methods.

NoteJoint naming is not case sensitive and you can use “l” or “r” instead of left or right.

Hips, spine, neck, and head

  Joint positions FBIK joint labels FBIK joint names (base only) FBIK joint names (base and auxiliary)
1

Joint at base of head (topmost neck joint)

Head

Head

Head
2

First joint in neck

Neck

-

Neck

All other neck joints

Neck

-

Neck1-Neck9

3

First spine joint after the root

Spine

Spine

Spine

All other spine joints

Spine

Spine1-Spine9

Spine1-Spine9

4

Pelvis (root)

Root

Hips

Hips
 

-

-

HipsTranslation

Left and right arms

  Joint positions FBIK joint labels FBIK joint names (base only) FBIK joint names (base and auxiliary)

1

Collar bone

Collar (L)

-

LeftShoulder

Collar (R)

-

RightShoulder

2

Shoulder

Shoulder (L)

LeftArm

LeftArm

Shoulder (R)

RightArm

RightArm

3

Upper arm roll joint

Shoulder (L)

-

LeftArmRoll

Shoulder (R)

-

RightArmRoll

4

Elbow

Elbow (L)

LeftForeArm

LeftForeArm

Elbow (R)

RightForeArm

RightForeArm

5

Lower arm roll joint

Elbow (L)

-

LeftForeArmRoll

Elbow (R)

-

RightForeArmRoll

6

Wrist

Hand (L)

LeftHand

LeftHand

Hand (R)

RightHand

RightHand

Left and right hands

  Joint positions FBIK joint labels FBIK joint names (base only) FBIK joint names (base and auxiliary)

1

Palm of hand between the wrist and fingers.

Finger Base (L)

-

LeftFingerBase
   

Finger Base (R)

-

RightFingerBase

2

Before first joint of thumb

-

-

LeftInHandThumb
   

-

-

RightInHandThumb

3

Thumb joints

(from base to tip of thumb)

Thumb (L)

-

LeftHandThumb1-LeftHandThumb4
   

Thumb (R)

-

RightHandThumb1-RightHandThumb4

4

Before first joint of index finger

-

-

LeftInHandIndex
   

-

-

RightInHandIndex

5

Index finger joints

(from base to tip of finger)

Index (L)

-

LeftHandIndex1-LeftHandIndex4
   

Index (R)

-

RightHandIndex1-RightHandIndex4

6

Before first joint of middle finger

-

-

LeftInHandMiddle
   

-

-

RightInHandMiddle

7

Middle finger joints

(from base to tip of finger)

Middle Finger (L)

-

LeftHandMiddle1-LeftHandMiddle4
   

Middle Finger (R)

-

RightHandMiddle1-RightHandMiddle4

8

Before first joint of ring finger

-

-

LeftInHandRing
   

-

-

RighttInHandRing

9

Ring finger joints

(from base to tip of finger)

Ring Finger (L)

-

LeftHandRing1-LeftHandRing4
   

Ring Finger (R)

-

RightHandRing1-RightHandRing4

10

Before first joint of pinky finger

-

-

LeftInHandPinky
   

-

-

RightInHandPinky

11

Pinky finger joints

(from base to tip of finger)

Pinky (L)

-

LeftHandPinky1-LeftHandPinky4
   

Pinky (R)

-

RightHandPinky1-RightHandPinky4
 

Before first joint of extra finger

-

-

LeftInHandExtraFinger
   

-

-

RightInHandExtraFinger
 

Extra finger joints

(from base to tip of finger)

-

-

LeftHandExtraFinger1-LeftHandExtraFinger4
   

-

-

RightHandExtraFinger1-RightHandExtraFinger4

Left and right legs

  Joint positions FBIK joint labels FBIK joint names (base only) FBIK joint names (base and auxiliary)

1

Hip

Hip (L)

LeftUpLeg

LeftUpLeg
   

Hip (R)

RightUpLeg

RightUpLeg

2

Upper leg roll joint

Hip (L)

-

LeftUpLegRoll
   

Hip (R)

-

RightUpLegRoll

3

Knee

Knee (L)

LeftLeg

LeftLeg
   

Knee (R)

RightLeg

RightLeg

4

Lower leg roll joint

Knee (L)

-

LeftLegRoll
   

Knee (R)

-

RightLegRoll

5

Ankle

Foot (L)

LeftFoot

LeftFoot
   

Foot (R)

RightFoot

RightFoot

Left and right feet

  Joint positions FBIK joint labels FBIK joint names (base only) FBIK joint names (base and auxiliary)

1

Ball/base of foot between the ankle and toes

Toe Base (L)

-

LeftToeBase
   

Toe Base (R)

-

RightToeBase

2

Before first joint of big toe

-

-

LeftInFootThumb
   

-

-

RightInFootThumb

3

Big toe joints

(from base to tip of toe)

Big Toe (L)

-

LeftFootThumb1-LeftFootThumb4
   

Big Toe (R)

-

RightFootThumb1-RightFootThumb4

4

Before first joint of second toe

-

-

LeftInFootIndex
   

-

-

RightInFootIndex

5

Second toe joints

(from base to tip of toe)

Index Toe (L)

-

LeftFootIndex1-LeftFootIndex4
   

Index Toe (R)

-

RightFootIndex1-RightFootIndex4

6

Before first joint of middle toe

-

-

LeftInFootMiddle
   

-

-

RightInFootMiddle

7

Middle toe joints

(from base to tip of toe)

Middle Toe (L)

-

LeftFootMiddle1-LeftFootMiddle4
   

Middle Toe (R)

-

RightFootMiddle1-RightFootMiddle4

8

Before first joint of fourth toe

-

-

LeftInFootRing
   

-

-

RightInFootRing

9

Fourth toe joints

(from base to tip of toe)

Ring Toe (L)

-

LeftFootRing1-LeftFootRing4
   

Ring Toe (R)

-

RightFootRing1-RightFootRing4

10

Before first joint of baby toe

-

-

LeftInFootPinky
   

-

-

RightInFootPinky

11

Baby toe joints

(from base to tip of toe)

Pinky Toe (L)

-

LeftFootPinky1-LeftFootPinky4
   

Pinky Toe (R)

-

RightFootPinky1-RightFootPinky4
 

Before first joint of extra toe

-

-

LeftInFootExtraFinger
   

-

-

RightInFootExtraFinger
 

Extra toe joints

(from base to tip of toe)

-

-

LeftFootExtraFinger1-LeftFootExtraFinger4
   

-

-

RightFootExtraFinger1-RightFootExtraFinger4

Other body parts

Use the None label or a joint name that does not adhere to the FBIK joint labelling and naming conventions for:

For example, chest or rib joints, the joint at the top of your character’s head, wing or tail joints, and so on.

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