#307 ‒ Exercise for aging people: where to begin, and how to minimize risk while maximizing potential | Peter Attia, M.D.
Jun 24, 2024
auto_awesome
Peter Attia, a medical doctor specializing in longevity, discusses the importance of starting exercise for aging individuals over 50. He covers the decline in muscle mass and VO2 max with age, providing practical advice on structuring exercise programs for older adults. The conversation emphasizes setting realistic goals, improving aerobic capacity through consistency, and incorporating resistance training for muscle building.
It's never too late to start exercising, incorporating the four pillars of fitness for older adults.
Transitioning from building a good aerobic base to VO2 max training involves gradual intensity increases.
Resistance training enhances muscle strength regardless of age, focusing on type II fibers and stability.
Deep dives
Importance of Cardio Training and Zone Two Workouts
Starting with building a good aerobic base through zone two workouts is crucial, ensuring that steady progression in frequency and duration is key. Participants should focus on steady state activities like walking or inclined treadmill sessions to improve cardiovascular health.
Incorporating VO2 Max Training
Transitioning to VO2 max training involves adding intervals to zone two workouts, gradually increasing intensity without risking injury. Participants are encouraged to engage in high-intensity intervals ranging from 3 to 8 minutes, allowing for physiological adaptions that boost cardiovascular fitness.
Significance of Strength Training for Muscle Mass
Research shows that resistance training can enhance muscle strength and hypertrophy at any age. Emphasizing resistance over strength initially aids in building muscle volume and strength, catering to individual capacity and progress. Focus on building type II fibers and ensuring a balance of stability and muscle recruitment exercises.
Tailoring Resistance Training for Older Individuals
For those aged 65 and older, a slower and stable approach to resistance training is recommended to mitigate injury risk. Preference for using machines initially fosters safer lifting practices, gradually introducing free weights for functional movements like carries. Incorporating DNS principles and focusing on stability are vital for this demographic's training regimen.
Importance of Starting with Machines for Older Individuals
Encouraging older individuals, especially those above 50, to begin resistance training by starting with machines and lower weights before progressing to free weights or dumbbells is emphasized. The focus is on building strength and stability with body weight and machines to prevent injuries, addressing the significance of building comfort and competence before moving on to more complex equipment or exercises.
Significance of Protein Intake for Muscle Building in Older Adults
The role of protein intake in stimulating muscle protein synthesis for muscle building, especially in individuals 50 and above, is discussed. With age-related anabolic resistance impacting muscle sensitivity to amino acids, it is recommended to consume at least 1.6 grams of protein per kilogram of body weight, with higher protein intake needed as individuals age. Additionally, the podcast highlights the importance of combining protein intake with strength training to maximize muscle growth and emphasizes the critical role of protein in supporting muscle health and function.
In this special episode, Peter addresses the common questions about starting or returning to an exercise routine over the age of 50. Individuals in this age group have frequently reached out with questions about whether it's too late to start exercising and often express concern over a lack of prior training, a fear of injury, or uncertainty about where to begin. Peter delves into the importance of fitness for older adults, examining all four pillars of exercise, and provides practical advice on how to start exercising safely, minimize injury risk, and maximize potential benefits. Although this conversation focuses on people in the “older” age category, it also applies to anyone of any age who is deconditioned and looking to ease into regular exercise.
We discuss:
Key points about starting exercise as an older adult [2:45];
Why it’s never too late to begin exercising and incorporating the four pillars of exercise [5:45];
The gradual, then sharp, decline in muscle mass and activity level that occur with age [10:00];
The decline of VO2 max that occurs with age [15:30];
Starting a training program: exercise variability, movement quality, realistic goals, and more [18:30];
Improving aerobic capacity: the malleability of the system, the importance of consistency, and setting long-term fitness goals [25:15];
Starting cardio training: base building, starting with low volume, and zone 2 training [30:45];
The critical role of VO2 max in longevity [36:45];
How to introduce VO2 max training to older or deconditioned individuals [46:15];
Options for performing zone 2 and VO2 max training [53:45];
The ability to make gains in strength and muscle mass as we age [57:00];
How to implement strength training for older individuals [1:01:00];
Advice for avoiding injury when strength training [1:07:30];
Risk of falls: the devastating consequences and the factors that increase fall risk [1:12:15];
Mitigating fall risk: the importance of foot and lower leg strength, ankle mobility, and balance [1:19:45];
Improving bone mineral density through resistance training [1:24:30];
The importance of protein in stimulating muscle protein synthesis, especially in older adults [1:31:00];