Definition
WebXR Body Tracking Module - Level 1 defines XRBodyJoint
enum XRBodyJoint {
"hips",
"spine-lower",
"spine-middle",
"spine-upper",
"chest",
"neck",
"head",
"left-shoulder",
"left-scapula",
"left-arm-upper",
"left-arm-lower",
"left-hand-wrist-twist",
"right-shoulder",
"right-scapula",
"right-arm-upper",
"right-arm-lower",
"right-hand-wrist-twist",
"left-hand-palm",
"left-hand-wrist",
"left-hand-thumb-metacarpal",
"left-hand-thumb-phalanx-proximal",
"left-hand-thumb-phalanx-distal",
"left-hand-thumb-tip",
"left-hand-index-metacarpal",
"left-hand-index-phalanx-proximal",
"left-hand-index-phalanx-intermediate",
"left-hand-index-phalanx-distal",
"left-hand-index-tip",
"left-hand-middle-phalanx-metacarpal",
"left-hand-middle-phalanx-proximal",
"left-hand-middle-phalanx-intermediate",
"left-hand-middle-phalanx-distal",
"left-hand-middle-tip",
"left-hand-ring-metacarpal",
"left-hand-ring-phalanx-proximal",
"left-hand-ring-phalanx-intermediate",
"left-hand-ring-phalanx-distal",
"left-hand-ring-tip",
"left-hand-little-metacarpal",
"left-hand-little-phalanx-proximal",
"left-hand-little-phalanx-intermediate",
"left-hand-little-phalanx-distal",
"left-hand-little-tip",
"right-hand-palm",
"right-hand-wrist",
"right-hand-thumb-metacarpal",
"right-hand-thumb-phalanx-proximal",
"right-hand-thumb-phalanx-distal",
"right-hand-thumb-tip",
"right-hand-index-metacarpal",
"right-hand-index-phalanx-proximal",
"right-hand-index-phalanx-intermediate",
"right-hand-index-phalanx-distal",
"right-hand-index-tip",
"right-hand-middle-metacarpal",
"right-hand-middle-phalanx-proximal",
"right-hand-middle-phalanx-intermediate",
"right-hand-middle-phalanx-distal",
"right-hand-middle-tip",
"right-hand-ring-metacarpal",
"right-hand-ring-phalanx-proximal",
"right-hand-ring-phalanx-intermediate",
"right-hand-ring-phalanx-distal",
"right-hand-ring-tip",
"right-hand-little-metacarpal",
"right-hand-little-phalanx-proximal",
"right-hand-little-phalanx-intermediate",
"right-hand-little-phalanx-distal",
"right-hand-little-tip",
"left-upper-leg",
"left-lower-leg",
"left-foot-ankle-twist",
"left-foot-ankle",
"left-foot-subtalar",
"left-foot-transverse",
"left-foot-ball",
"right-upper-leg",
"right-lower-leg",
"right-foot-ankle-twist",
"right-foot-ankle",
"right-foot-subtalar",
"right-foot-transverse",
"right-foot-ball"
};