[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"article-detail":3},{"lang":4,"article":5,"alternate":18,"related":23,"latest":32},"en",{"id":6,"slug":7,"title":8,"content":9,"summary":10,"thumbnail":11,"metaDescription":12,"metaKeywords":12,"created":13,"modified":13,"author":14,"authorEn":14,"categoryId":15,"commentCount":16,"thumbnailToContent":17},12745,"glute-muscle-aging-mri-ftpn","Do Flat Glutes Mean Frailty? 61,000 MRI Scans Say Yes","\u003Cp style=\"margin:0 0 18px;\">After a few years of working at a desk, a strange shift happens: the belly swells while the buttocks flatten. There is even an internet saying — \"your buttocks are already dead.\"\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>The Body's Odd Displacement\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">Your glutes are not just about filling out a silhouette. Increasingly, they look like an aging marker. A large recent study — 61,000 participants scanned with high-resolution MRI — mapped how gluteus maximus shape tracks whole-body condition.\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>The 61,000-Person MRI Study\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">The findings were remarkably clean. People with fuller gluteus maximus muscles scored significantly better on grip strength, the core test of whole-body muscle power. People whose gluteus maximus was severely thinned, or infiltrated with fat, scored significantly higher on frailty indexes.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261007\u002F400e55a0a56e49faa2a494342e3d10a6.webp\" alt=\"img_01.webp\">\u003C\u002Fp>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>Why the Biggest Muscle Matters\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">The gluteus maximus is the largest muscle in the body — and one of the most abused by modern life. Sitting keeps it switched off for hours every day, and a muscle that is never loaded slowly shrinks and fills with fat. Muscle loss, or sarcopenia, is one of the strongest physical correlates of frailty in older adults. The butt, it turns out, is a dashboard for how the rest of the body is aging.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">\u003Cimg src=\"\u002Fattachment\u002F20261007\u002F2b45001d04ea4870b9884d48ad8d5626.webp\" alt=\"img_02.webp\">\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">So the next time someone jokes about a \"dead butt,\" the science has a sharper point: the shape of your glutes may be one of the first visible signals of how your muscles — and your aging — are really going.\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 18px;\">Curious what a working muscle looks like under a microscope? \u003Cstrong>WWAI\u003C\u002Fstrong> is an AI-powered biology encyclopedia with an online microscope, including a \u003Cstrong>skeletal muscle specimen where striated muscle fibers, nuclei and sarcolemma are clearly visible\u003C\u002Fstrong>. Search \"WWAI\" in your app store and download it today.\u003C\u002Fp>\n\u003Cdiv class=\"dp-template-card\" style=\"border-radius:8px;box-shadow:0 2px 8px rgba(0,0,0,0.1);margin:10px 0;max-width:100%;overflow:hidden;width:100%;\">\n \u003Ca style=\"display:block;text-decoration:none;\" href=\"https:\u002F\u002Fyun-hub.chat\u002Flink\u002F?app=wwai&clickid=stellarx&dplink=specimenid%3D1146\" target=\"_blank\">\u003Cimg class=\"image_resized\" style=\"display:block;height:auto;max-width:100%;width:100%;\" src=\"\u002Fattachment\u002F20260824\u002F5ba5dd3c38404fe785f43c44423830de.png\" alt=\"5ba5dd3c38404fe785f43c44423830de\">\n  \u003Cbutton style=\"align-items:center;background-color:#1f983e;border-radius:0 0 25px 25px;border-style:none;color:#ffffff;cursor:pointer;display:flex;font-family:Times New Roman;font-size:19px;height:40px;justify-content:center;padding:0;width:100%;\">EXPLORE NOW\u003C\u002Fbutton>\u003C\u002Fa>\n\u003C\u002Fdiv>\n\u003Ch2 style=\"color:#111;font-size:21px;line-height:1.4;margin:28px 0 12px;\">\u003Cstrong>References\u003C\u002Fstrong>\u003C\u002Fh2>\n\u003Cp style=\"margin:0 0 18px;\">All illustrations are AI-generated.\u003C\u002Fp>\n\u003Cp style=\"color:#111;margin:28px 0 8px;\">\u003Cstrong>Related reading\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 20px;\">\u003Ca style=\"color:#111;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fchicken-gizzard-ball-mill-evolution-hzkq\">\u003Cimg class=\"image_resized\" style=\"border-radius:8px;display:block;height:auto;margin-bottom:6px;max-width:520px;width:100%;\" src=\"https:\u002F\u002Fcdn.banyunjuhe.com\u002Fattachment\u002F20261003\u002F0d762a58997046879dd3cdf127bc5db7.webp\" alt=\"The Chicken's Gizzard: A Dinosaur's Stone Crusher\">\u003C\u002Fa>\u003Cbr>\u003Ca style=\"color:#0b6cb0;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fchicken-gizzard-ball-mill-evolution-hzkq\">\u003Cstrong>The Chicken's Gizzard: A Dinosaur's Stone Crusher\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 20px;\">\u003Ca style=\"color:#111;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Ffeeding-wildlife-walrus-pzqv\">\u003Cimg class=\"image_resized\" style=\"border-radius:8px;display:block;height:auto;margin-bottom:6px;max-width:520px;width:100%;\" src=\"https:\u002F\u002Fcdn.banyunjuhe.com\u002Fattachment\u002F20261003\u002F42d15bc762fd46739f5f038786cea060.webp\" alt=\"Feeding Wildlife Can Get It Killed\">\u003C\u002Fa>\u003Cbr>\u003Ca style=\"color:#0b6cb0;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Ffeeding-wildlife-walrus-pzqv\">\u003Cstrong>Feeding Wildlife Can Get It Killed\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>\n\u003Cp style=\"margin:0 0 20px;\">\u003Ca style=\"color:#111;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fmating-duration-evolution-qprt\">\u003Cimg class=\"image_resized\" style=\"border-radius:8px;display:block;height:auto;margin-bottom:6px;max-width:520px;width:100%;\" src=\"https:\u002F\u002Fcdn.banyunjuhe.com\u002Fattachment\u002F20261005\u002Fd6eaa457581a41b7a6a94f71ea33b52c.webp\" alt=\"Quick Mating & Evolution: Why Fast Didn't Win\">\u003C\u002Fa>\u003Cbr>\u003Ca style=\"color:#0b6cb0;text-decoration:none;\" href=\"https:\u002F\u002Fstellarx.tech\u002Farticle\u002Fmating-duration-evolution-qprt\">\u003Cstrong>Quick Mating & Evolution: Why Fast Didn't Win\u003C\u002Fstrong>\u003C\u002Fa>\u003C\u002Fp>","","\u002Fattachment\u002F20261007\u002F3e703537073f49d991fdef2e45f304de.webp","A 61,000-person MRI study links fuller gluteus maximus to stronger grip strength and lower frailty. Flat, fat-infiltrated glutes signal aging.","2026-10-07 19:12:00","Science Guide Wwai",77,0,true,{"id":19,"slug":20,"title":21,"lang":22},12765,"homochirality-life-mirror-hmls","同手性是什麼？2026 諾貝爾化學獎得主解開生命之謎","zh",{"prev":24,"next":28},{"id":25,"slug":26,"title":27,"categoryId":15},12746,"deep-vein-thrombosis-sitting-wkdb","Deep Vein Thrombosis: A Silent Killer Linked to Sitting",{"id":29,"slug":30,"title":31,"categoryId":15},12744,"sugary-drinks-exercise-tradeoff-ktwq","Can Exercise Cancel Out Sugary Drinks? 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