Penn Primary Care Podcast Exercise and Cardiovascular Health.
Jul 8, 2024
Dr Dan Soffer, a preventive cardiologist and lipid expert, and Dr Neel Chokshi, a sports cardiology and exercise physiology specialist, discuss exercise and heart health. They break down physiological effects of exercise, wearable metrics like VO2 max and HRV, practical prescriptions including HIIT versus longer workouts, and how training influences risk scores and coronary calcium findings.
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Prescribe 150 Minutes Weekly Plus Strength Work
- Aim for at least 150 minutes per week of moderate intensity activity or up to 300 minutes for greater mortality benefit, with 75 minutes of vigorous activity as an alternative.
- Add resistance training two times weekly and use RPE or heart rate (220-age) to gauge moderate intensity.
Use Short HIIT Sessions To Boost VO2
- High intensity interval training (HIIT) or very short micro-workouts can yield similar peak VO2 gains to longer moderate sessions.
- Example: a 7‑minute HIIT protocol (30s on/15s off) matched 3×45‑minute jogs over six weeks in improving peak VO2.
Strength Training Is Crucial For Aging And Metabolism
- Resistance training provides distinct benefits for strength, balance, aging and metabolic health and should complement aerobic work.
- Guidelines recommend ~20 minutes of resistance training two to three days weekly, which may be crucial for older adults' functionality.