Why some fighters are crippled at 35 and others still fight at 50

if you want to work with me 1-on-1, book free consultation call: https://calendly.com/simonborec/30min 1. Zhang Y, Deng C, Xia W, Ran J, Li X. Quantitative Evaluation of Knee Cartilage in Professional Martial Arts Athletes Using T2 Mapping: A Comparative Study. J Athl Train. 2024 Oct 1;59(10):1012-1018. doi: 10.4085/1062-6050-0127.23. PMID: 38291773; PMCID: PMC11537223. 2. Allen, Hailey & Liu, Fang & Woo, Kaitlin & Zhou, Zhaoye & Kijowski, Richard & Nguyen, Jie. (2018). Maturation Related Changes in T2 Relaxation Times of Cartilage and Meniscus of the Pediatric Knee Joint at 3.0-Tesla. American Journal of Roentgenology. 211. 10.2214/AJR.18.20026. 3. Fearghal P Behan, Alexander N Bennett, Fraje Watson, Susie Schofield, Eleanor F Miller, Oliver O’Sullivan, Christopher J Boos, Nicola T Fear, Paul Cullinan, Philip G Conaghan, Anthony M J Bull, ADVANCE Study , Osteoarthritis after major combat trauma: the Armed Services Trauma Rehabilitation Outcome Study, Rheumatology Advances in Practice, Volume 9, Issue 2, 2025, rkaf033, https://doi.org/10.1093/rap/rkaf033 4. Rhon D, Perez K, Eskridge S Risk of post traumatic knee osteoarthritis after traumatic knee injury in deployed military service members Osteoarthritis and Cartilage, 26S218 Free newsletter: https://forms.gle/JcWpSU9AKBUdWn1t6 Follow me on X- https://x.com/SimonBorecMed Follow me on Instagram -   / simon.borec   ⚠️ Content Notice: This channel is run by a medical student. Some videos contain graphic medical or combat-related footage for educational and documentary purposes only. All graphic content is included to inform viewers about real medical conditions, injuries, or athletic events — not to shock or disgust. Where applicable, footage is contextualized within the video itself.