{
  "schemaVersion": "1.0.0",
  "exerciseSlug": "romanian-deadlift",
  "assetId": "romanian-deadlift-preview-shaos-v3",
  "role": "preview",
  "status": "approved",
  "version": "v3.0.0",
  "reviewedAt": "2026-09-02",
  "source": {
    "canonicalArtwork": "/assets/exercises/romanian-deadlift/anatomy.webp",
    "sha256": "da20ac8445d08308b5c87623c952014002685e9496ff9a6394c01b3c475e844b"
  },
  "production": {
    "method": "Eleven registered pose levels derived from the canonical ShaOS anatomy illustration, arranged into a 21-state full-reverse standard-tempo seamless loop.",
    "registration": "The front and rear panels share a fixed floor baseline and centered footprint anchor; complete plates remain inside a symmetric safe margin throughout the hinge.",
    "tempoProfile": "Three-and-three-quarter-second controlled hinge, one-second bottom pause, and one-and-one-quarter-second ascent.",
    "highlightCue": "Illustrative ShaOS activation cue; not an EMG measurement.",
    "highlightLegend": {
      "scheme": "primary-secondary",
      "primary": { "label": "Primary muscles", "color": "#D97706", "muscles": ["Hamstrings"] },
      "secondary": { "label": "Secondary muscles", "color": "#8F969B", "muscles": ["Glutes", "Lower Back"] }
    },
    "orangeIntensity": [0.38, 0.42, 0.47, 0.53, 0.6, 0.68, 0.76, 0.83, 0.89, 0.93, 0.96, 0.96, 1.0, 0.95, 0.9, 0.84, 0.76, 0.66, 0.55, 0.46, 0.38],
    "principle": "Maintain a loaded-standing baseline, build through the eccentric hinge, remain high at the lengthened bottom, peak during early ascent, then ease toward lockout."
  },
  "playback": {
    "width": 720,
    "height": 720,
    "durationSeconds": 6,
    "frameRate": 20,
    "muted": true,
    "loop": true
  },
  "files": {
    "preview": {
      "path": "preview.mp4",
      "mimeType": "video/mp4",
      "bytes": 701691,
      "sha256": "89894459390dea1e5674eddb463843476749cccba8b2afd5a7ac3ac95cc12660"
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    "poster": {
      "path": "poster.webp",
      "mimeType": "image/webp",
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