The Biggest Workout Mistakes People Make After 40

Why would a physician who understands the human body still hire a personal trainer?
Dr. Jason Littleton sits down with his personal trainer, Harrison Berezansky, to discuss how proper movement, strength training and accountability can improve energy, performance and quality of life—especially as we get older.
Harrison shares how his experience as a college baseball player led him into personal training and explains why building strength requires more than lifting heavier weights. Proper form, mobility, recovery and consistent programming all matter.
In this conversation:
- Why workout form matters before adding intensity
- Five foundational movements everyone should assess
- How improper technique can increase injury risk
- Why two consistent workouts can beat an unsustainable “no days off” plan
- Strength training for busy professionals
- Preparing the body for skiing and recreational activities
- The relationship between mobility, flexibility and pain-free movement
- Why small wins create lasting transformation
- The importance of nutrition, hydration, sleep and recovery
- How a personal trainer provides instruction and accountability
Harrison currently provides in-person training at Life Time in Winter Park, Florida. Local members can find booking information through the Life Time app.
Subscribe to the Concierge Doc Podcast for practical conversations about movement, nutrition, sleep, prevention and building a healthier life.
This conversation is for general educational purposes and does not replace individualized medical, nutritional or fitness advice. Consult qualified professionals before beginning a new exercise or dietary program.

00:00 Why Dr. Littleton hired a personal trainer
02:12 Harrison’s journey from baseball to personal training
04:45 Why doctors and professionals still need coaches
06:09 How strength and energy change with age
08:14 The five foundational movement patterns
10:06 Correcting posture, alignment and exercise form
12:38 Overcoming intimidation at the gym
13:45 The long-term cost of improper form
15:47 Why busy professionals need strength training
17:52 Small wins that create lasting change
18:45 Training for skiing and everyday performance
20:45 Accountability when life gets busy
22:58 Mobility, flexibility and stretching
26:01 Strength training for longevity
28:49 The MEDS wellness protocol
29:17 Making fitness a sustainable lifestyle
31:02 Protein, nutrition and hydration
31:50 What a great trainer should ultimately provide
33:00 Final lessons and how to reach Harrison

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Disclaimer:
Access to the Information and materials contained in this podcast is at your own risk. The information contained is presented for the purpose of educating the consumer on a variety of wellness and health care topics (the “Information”). Nothing contained is intended to be instructional for medical diagnosis or treatment. The Information contained is compiled from a variety of sources. The Information should not be considered complete and not exhaustive and should not be in place of a visit or consultation with your own primary care doctor.