HumanHandPoseObservation.JointName.middlePIP A joint name that represents the middle finger’s proximal interphalangeal joint. Declarationcase middlePIP See AlsoGetting the middle finger joint nameHumanHandPoseObservation.JointName.middleDIPHumanHandPoseObservation.JointName.middleMCPHumanHandPoseObservation.JointName.middleTip