{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreidk3udafhkpcqtjlfskhmsbrj4kbbo37aveaylpwrel2xdaewcm5y",
    "uri": "at://did:plc:pmmp7irwts7faw56jdxk3idc/app.bsky.feed.post/3mgvugjxa5xh2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreidhxrvxexb65j7yyr7n6mz6h4kw4xxncxl4dyzdhrv6dheh7h7ynu"
    },
    "mimeType": "image/jpeg",
    "size": 950960
  },
  "path": "/news/2026-03-japanese-hard-science-viral-trends.html",
  "publishedAt": "2026-03-12T20:30:01.000Z",
  "site": "https://medicalxpress.com",
  "textContent": "If TikTok fitness advice is to be believed, you should be interval walking like the Japanese, hanging from a pull-up bar every day and committing to a 75-day challenge with no rest days. Some of these trends are grounded in scientific research. Others are built on shaky claims or misunderstandings of how the body actually adapts to exercise.",
  "title": "From Japanese walking to 75 Hard: What the science really says about viral fitness trends"
}