TJoint_id

type TJoint_id = (

  NECK,

  SHOULDER_LEFT,

  SHOULDER_RIGHT,

  ELBOW_LEFT,

  ELBOW_RIGHT,

  WRIST_LEFT,

  WRIST_RIGHT,

  HIP_LEFT,

  HIP_RIGHT,

  KNEE_LEFT,

  KNEE_RIGHT,

  ANKLE_LEFT,

  ANKLE_RIGHT,

  NUM_JOINTS

);