Rucking: Best Cardio for Longevity? (Science, Complete Guide, & 30 Day Experiment)

Rucking might just be the most underrated exercise for longevity—and I put it to the test. For 30 days straight, I walked with a weighted backpack, tracking my VO2 max, body composition, and functional performance. In this video, Dr. Quinn Stillson (MD + strength coach) breaks down the real science behind rucking, including how it builds bone density, improves balance and core strength, and enhances cardiovascular fitness—without the injury risk of running. 🦴 Want to build strength and endurance as you age? 🏃‍♂️ Looking for a low-impact cardio workout that actually boosts VO2 max? ⚠️ Tired of chronic back pain or worried about bone loss? Then this deep dive is for you. 💡 In this video, you'll learn: ✅ The top 5 reasons rucking is the best cardio for longevity ✅ How it compares to walking, running, and cycling ✅ The real data on VO2 max gains, bone density, and injury prevention ✅ How to choose the right pack, weight, pace, and duration ✅ Whether you should use a weighted vest or a backpack ✅ How to prevent foot pain, blisters, and low back strain ✅ My experiment results after 30 days of rucking—backed by body scans and VO2 testing 🎯 Best for: – Lifters or athletes wanting to improve cardio without losing muscle – Anyone over 30 looking for sustainable, science-backed longevity training – Biohackers, clinicians, and military fitness fans – People struggling with balance, back pain, or weak bones 📍 Timestamps 00:00 Intro - Why I Rucked 30 Days Straight 00:42 Rucking Benefits - Functional Strength, Stability, and Balance 02:29 Rucking Benefits - Bone Mineral Density 04:09 Rucking Benefits - Injury Prevention 06:50 Rucking Benefits - Cardiorespiratory Fitness and VO2 Max 08:18 My 30 Day Rucking Experiment - Pre-Testing 09:51 Weighted Vest versus Backpack for Longevity? 12:15 How To Select the Best Backpack and Weights for Rucking 15:28 How to Fit Your Backpack to Avoid Injury 17:19 Other Rucking Gear Tips - Best Shoes and Socks 18:10 How To Use Rucking for Zone 2, 3, 4, or 5 Training 20:54 How to Choose Weight, Speed, Duration, Terrain 23:56 My Experiment Results (VO2 Max + Body Composition) ▶️ Related Video: 30 Days of Sauna Use →    • Sauna Benefits for Longevity and Performan...   ▶️ Subscribe for more: Weekly videos on science-backed fitness, recovery, and longevity. Purchase the Hume Body Pod Below (FSA/HSA Eligible)! Code: QUINN UTM link: https://humehealth.com//discount/QUIN... 🔔 Tap the bell so you don’t miss more upcoming 30 day experiments! ⚠️ Medical Disclaimer: This video is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before starting a new exercise program. #Rucking #Longevity #VO2Max #FunctionalFitness #InjuryPrevention #BackPainRelief #DrQuinnStillson #BoneHealth #Zone2Cardio #WeightedWalking