Coaching practices for How to Maintain Fitness with Age

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Does this sound like the set of challenges you might be facing?

• I’m getting older and I can feel my fitness slipping, and part of me has been writing it off as just what aging does
• I watched an older relative lose the ability to do the simple things
• I keep telling myself I’m too old now to start lifting anything heavy, so I’ve drifted to light weights and easy reps to protect my joints
• I’m getting older and I want one number that tells me whether I’m actually adding years to my life or just going through the motions at the gym
• I go all-in for a few months and then life hits and I drop off entirely, and I keep wanting the dramatic transformation when what I think actually adds up to a longer life is just quietly showing up most weeks for the next twenty years.

Practices that may help

1. Slow VO2 max decline with age through consistent training
   Highly fit 70-year-olds have VO2 max scores higher than sedentary 30-year-olds — consistent training largely determines your aerobic aging curve.
   VO2 Max and Longevity: Training Your Aerobic Ceiling
2. Define your "centenarian decathlon" — what you want to be able to do at 80
   Work backward from your functional goals at 80 to the physical and cognitive capacities you need to build now.
   Healthspan vs. Lifespan: Optimizing How Well You Age, Not Just How Long
3. Resistance training 2–3 times per week regardless of age
   Resistance training drives muscle protein synthesis and reverses sarcopenic muscle loss even in people in their 80s and 90s.
   Muscle Mass Preservation: The Longevity Case for Staying Strong
4. Treat VO2max as a primary longevity biomarker, not just a fitness number
   Moving from the bottom to the top quartile of VO2max for your age predicts a 5-fold reduction in all-cause mortality in observational data.
   VO2max Training
5. Muscle Mass Preservation: The Longevity Case for Staying Strong
   Sarcopenia — the age-related loss of muscle mass and strength — begins around age 30–35 and accelerates after 50. Stuart Phillips’ research at McMaster University established that adequate protein intake and resistance training are the two primary countermeasures, and that neither alone is sufficient. Muscle mass preservation is not vanity; it underlies metabolic health, fall prevention, functional independence, and mortality risk into old age.
6. Consistent aerobic exercise as a longevity practice
   Show up for aerobic exercise consistently across years — the cumulative cardiorespiratory fitness gain is what predicts mortality reduction.
   VO2 Max and Longevity: The Peter Attia Framework
7. Train grip and muscular strength alongside cardio
   Combine aerobic training with resistance training — grip strength and muscle mass are independent longevity predictors.
   VO2 Max and Longevity: The Peter Attia Framework
8. Eccentric training for muscle preservation in aging
   Older adults can achieve substantial strength gains with lower cardiorespiratory cost using eccentric-focused training.
   Eccentric Training, Made Practical
9. Protect VO2 max from detraining
   Maintain a minimum effective dose of cardio during busy or injured periods — VO2 max is hard to build and surprisingly fast to lose.
   VO2 Max and Longevity: The Peter Attia Framework
10. Regular aerobic exercise to maintain telomere length
    Habitual aerobic exercisers consistently have longer telomeres than sedentary peers of the same age.
    Telomere Health: The Cellular Aging Markers You Can Influence

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