{
  "schema": "NEXT11_V393_HURDLE_STRETCH_NATURAL_NEUTRAL_DEEPER_QUAD_BUILD_REPORT_V1",
  "pass": true,
  "identity": {
    "exerciseId": "hurdle-stretch",
    "profileId": "warmup_hurdle_stretch_ik_v1",
    "authoringProfileId": "warmup_hurdle_stretch_right_pose_v50_ik_v1",
    "bodyAuthorityProfileId": "warmup_hurdle_stretch_ik_v1"
  },
  "durationSec": 4.75,
  "sampleCount": 720,
  "sourceVideoSha256": "48ae03fd94f0c97549a45b30a22c6d508aac96c1a495d17328b6340accc7b04d",
  "gripPeaks": {
    "left": {
      "active": true,
      "pass": true,
      "status": "PALM_PLUS_FOUR_FINGERS_READY_FOR_VISUAL_QA",
      "side": "L"
    },
    "right": {
      "active": true,
      "pass": true,
      "status": "PALM_PLUS_FOUR_FINGERS_READY_FOR_VISUAL_QA",
      "side": "R"
    }
  },
  "neutralToeVectors": {
    "L": {
      "x": 0,
      "y": 0,
      "z": 0.12
    },
    "R": {
      "x": 0,
      "y": 0,
      "z": 0.12
    }
  },
  "canonicalRefinementMetrics": {
    "neutralArmLateral": {
      "L": {
        "upperarm": 0.17,
        "forearm": 0.19,
        "hand": 0.2
      },
      "R": {
        "upperarm": 0.17,
        "forearm": 0.19,
        "hand": 0.2
      }
    },
    "peakAnkleToPelvisXZ": {
      "L": 0.21272,
      "R": 0.21272
    }
  },
  "toeParallel": true,
  "maxFrameStep": {
    "angleDeg": 1.464071,
    "frameIndex": 493,
    "boneName": "R_Calf"
  },
  "rootCause": "Human QA requested two canonical refinements: relaxed natural arm hang in neutral and increased knee flexion so the grabbed foot sits closer to the glute. V393 keeps canonical hurdle-stretch as full body/leg authority and restricts V50/V338/V339 to active grip arm/hand contact only.",
  "solverChanges": "none",
  "production": {
    "mode": "resolvedPlayback",
    "liveSolverCalls": 0
  }
}