{
  "version": "1.0.0",
  "last_updated": "2026-07-21",
  "metrics": {
    "left_mean_velocity": {
      "name": "Mean Velocity - Left",
      "explanation": "Average velocity of the center of pressure movement on the left plate",
      "unit": "mm/s",
      "decimals": 1,
      "group": "velocity_metrics",
      "laterality": "left"
    },
    "right_mean_velocity": {
      "name": "Mean Velocity - Right",
      "explanation": "Average velocity of the center of pressure movement on the right plate",
      "unit": "mm/s",
      "decimals": 1,
      "group": "velocity_metrics",
      "laterality": "right"
    },
    "mean_velocity_symmetry_index": {
      "name": "Mean Velocity SI",
      "explanation": "Mean Velocity Symmetry Index. The sign and scale depend on the asymmetry formula selected in the app (SI / LSI / AI).",
      "unit": "%",
      "decimals": 1,
      "group": "bilateral_symmetry"
    },
    "left_total_excursion": {
      "name": "Total Excursion - Left",
      "explanation": "Total distance traveled by the center of pressure on the left plate",
      "unit": "mm",
      "decimals": 1,
      "group": "displacement_metrics",
      "laterality": "left"
    },
    "right_total_excursion": {
      "name": "Total Excursion - Right",
      "explanation": "Total distance traveled by the center of pressure on the right plate",
      "unit": "mm",
      "decimals": 1,
      "group": "displacement_metrics",
      "laterality": "right"
    },
    "total_excursion_symmetry_index": {
      "name": "Total Excursion SI",
      "explanation": "Total Excursion Symmetry Index. The sign and scale depend on the asymmetry formula selected in the app (SI / LSI / AI).",
      "unit": "%",
      "decimals": 1,
      "group": "bilateral_symmetry"
    },
    "left_area_of_cop_ellipse": {
      "name": "CoP Ellipse Area - Left",
      "explanation": "Area of the 95% confidence ellipse containing the center of pressure trajectory on the left plate",
      "unit": "mm²",
      "decimals": 1,
      "group": "area_metrics",
      "laterality": "left"
    },
    "right_area_of_cop_ellipse": {
      "name": "CoP Ellipse Area - Right",
      "explanation": "Area of the 95% confidence ellipse containing the center of pressure trajectory on the right plate",
      "unit": "mm²",
      "decimals": 1,
      "group": "area_metrics",
      "laterality": "right"
    },
    "area_of_cop_ellipse_symmetry_index": {
      "name": "CoP Ellipse Area SI",
      "explanation": "CoP Ellipse Area Symmetry Index. The sign and scale depend on the asymmetry formula selected in the app (SI / LSI / AI).",
      "unit": "%",
      "decimals": 1,
      "group": "bilateral_symmetry"
    },
    "mean_velocity": {
      "name": "Mean Velocity",
      "explanation": "Average velocity of the center of pressure movement",
      "unit": "mm/s",
      "decimals": 1,
      "group": "velocity_metrics"
    },
    "total_excursion": {
      "name": "Total Excursion",
      "explanation": "Total distance traveled by the center of pressure",
      "unit": "mm",
      "decimals": 1,
      "group": "displacement_metrics"
    },
    "area_of_cop_ellipse": {
      "name": "CoP Ellipse Area",
      "explanation": "Area of the 95% confidence ellipse containing the center of pressure trajectory",
      "unit": "mm²",
      "decimals": 1,
      "group": "area_metrics"
    }
  },
  "groups": {
    "velocity_metrics": {
      "name": "Velocity Metrics",
      "explanation": "Speed of center of pressure movement"
    },
    "displacement_metrics": {
      "name": "Displacement Metrics",
      "explanation": "Total path length of center of pressure movement"
    },
    "area_metrics": {
      "name": "Area Metrics",
      "explanation": "Spatial distribution of center of pressure movement"
    },
    "bilateral_symmetry": {
      "name": "Bilateral Symmetry",
      "explanation": "Left-right symmetry indices across different metrics"
    }
  }
}