{
  "id": 5425640,
  "title": "A molecular brake that keeps muscle architecture in check",
  "url": "https://urgent.news/2026/09/03/a-molecular-brake-that-keeps-muscle-architecture-in-check",
  "topic": "science",
  "section": "Science",
  "published": "2026-09-03T21:00:01.000Z",
  "source": {
    "name": "Phys.org",
    "slug": "phys-org",
    "url": "https://phys.org/news/2026-09-molecular-muscle-architecture.html"
  },
  "original_language": "en",
  "account": null,
  "summary": "Every movement we make, from blinking to sprinting, depends on the ability of muscle fibers to contract in a rapid and coordinated way. Achieving this precision requires an intricate internal membrane network known as the transverse tubule, or T-tubule, system. These narrow membrane invaginations carry electrical signals from the cell surface deep into the muscle fiber, where they trigger the…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}