Building Muscle in your 80s & 90s: What Research Reveals About Aging & Function - w/ Prof Fiatarone

🎓 Enrol in the 9-Week Science of Thriving Course → https://scienceofthriving.com.au 📲 Follow us on Instagram → @tonyboutagy 🎧 Listen on all platforms → https://open.spotify.com/show/5Yydg6y... In this episode, I sit down with Professor Maria Fiatarone Singh - the pioneering geriatrician whose groundbreaking 1980s research proved that frail individuals in their 80s and 90s could not only lift weights safely, but actually grow bigger, stronger muscles. Her four decades of research have reshaped exercise prescription for aging and chronic disease, showing that high-intensity resistance training is the single most powerful intervention for maintaining independence, preventing falls, and treating conditions like osteoporosis, cognitive decline, and type 2 diabetes. Her research has produced outcomes few thought possible - like an 85% reduction in death rates after hip fracture. 🎙️ Episode Highlights: 00:00 – How watching Jack LaLanne with her grandmother led to a career in geriatric medicine 03:00 – The 1988 pilot study that shocked the medical world: frail 90-year-olds gaining 200% strength 06:00 – Why Maria started with 80% intensity from day four (when others took months) 09:00 – The detraining study: losing a third of gains in just four weeks without exercise 11:00 – The FIXIT study: using SMILE exercise as the perfect placebo control 13:00 – Muscle biopsy findings: new muscle fiber formation in frail elderly 17:00 – Why resistance training is nitrogen-retentive (the opposite of what everyone thinks) 19:00 – The functional training myth: how simple leg press improved all daily activities 23:00 – Getting 10% VO2 max improvements from weightlifting alone 27:00 – Why resistance training is more feasible than aerobic exercise in frail populations 29:00 – The woman with one working muscle: why everyone needs resistance training 35:00 – Hip fracture recovery: 13 interventions that reduced death rates by 85% 40:00 – Bone loading prescription: why 80% intensity beats complicated protocols 48:00 – Brain studies: how resistance training grows the empathy center and protects the hippocampus 55:00 – Diabetes research: why gym access trumps perfect programming 59:00 – Training women vs men: "We don't really train them differently" 63:00 – What Maria does at 71: lifting the heaviest weight she can handle for 3 sets of 8 Guest Bio: Professor Maria Fiatarone Singh is a geriatrician and exercise researcher whose career spans nearly 50 years. She holds the John Sutton Chair of Exercise and Sports Science at the University of Sydney and has been a senior research associate at Harvard Institute for Aging Research since 1987. Her pioneering research on resistance training in older adults, beginning with groundbreaking nursing home studies in the 1980s, has fundamentally shaped our understanding of exercise as medicine for aging populations. Resources & Links: • Center for Strong Medicine → https://www.strongmedicine.org.au/ • Maria's research profile → https://www.researchgate.net/profile/... • Exercise, Nutrition and the Older Woman: Wellness for Women Over Fifty (book) → https://www.amazon.com/Exercise-Nutri...