{
  "calculator": "flexibility-score-calculator",
  "title": "Flexibility Score Calculator",
  "site": "AI Fit Hub",
  "input": {
    "age": 30,
    "reach_cm": 30,
    "sex": "male"
  },
  "defaults_used": {},
  "result": {
    "rating": "Good",
    "percentile": 48,
    "targetCm": 36,
    "improvementCm": 6,
    "ratingMessage": "Around the middle for your age. Stretching most days improves reach over several weeks; retest the same way each month.",
    "ageGroupLabel": "30–39",
    "reachPastToesCm": 4,
    "warnings": []
  },
  "provenance": {
    "run": "https://aifithub.io/api/run/flexibility-score-calculator?age=30&reach_cm=30&sex=male",
    "page": "https://aifithub.io/flexibility-score-calculator/",
    "methodology": "https://aifithub.io/methodology/flexibility-score-calculator/",
    "contract": "https://aifithub.io/contracts/flexibility-score-calculator.json",
    "engine": "https://aifithub.io/engines/flexibility-score-calculator.js",
    "engine_sha256": "2d08c31c8622a6efddc70f1628f42d30d5688205d6ab435815ca21953b9671c9",
    "build": "f934d40826a83bc97b57de9b7f894502cfdf221d"
  },
  "disclaimer": "General fitness estimates — not medical advice.",
  "license": "https://creativecommons.org/licenses/by/4.0/",
  "cite": "AI Fit Hub, Flexibility Score Calculator (engine 2d08c31c8622), https://aifithub.io/api/run/flexibility-score-calculator?age=30&reach_cm=30&sex=male"
}