53. HIIT vs. Zone 2: The Truth About Which Cardio Style Builds a Stronger, Healthier Heart

What if just 10 minutes of cardio could transform your heart health more than an hour on the treadmill? In this episode, we’re diving deep into the science and strategy behind HIIT (High-Intensity Interval Training) and Zone 2 training—two of the most powerful (and misunderstood) cardio methods out there. You’ll learn: ✔️ What HIIT and Zone 2 actually are ✔️ The specific benefits of each: VO₂ max gains, fat adaptation, insulin sensitivity, and more ✔️ Real-world protocols you can follow, whether you’re short on time or training for longevity ✔️ How to combine both into a sustainable weekly cardio routine ✔️ Metrics that matter: VO₂ max, HRV, resting heart rate, and more Whether your goal is better endurance, improved recovery, or simply getting the most out of your time, this episode helps you train smarter—not just harder. APPLY FOR COACHING: https://www.lvltncoaching.com/1-1-coaching SDE Method app: https://www.lvltncoaching.com/sde-method-app The Roadblocks Quiz (In 60 seconds, learn what's holding you back + how to fix it): https://quest.lvltncoaching.com/roadblocks-quiz Join the Facebook Community: https://www.facebook.com/groups/lvltncoaching FREE TOOLS to start your health and fitness journey: https://www.lvltncoaching.com/resources/freebies Alessandra's Instagram: http://instagram.com/alessandrascutnik Joelle's Instagram: https://www.instagram.com/joellesamantha?igsh=ZnVhZjFjczN0OTdn Josh's Instagram: http://instagram.com/joshscutnik Timestamps: 00:00 Introduction to Cardio: HIIT vs Zone Two 03:00 Understanding HIIT: Definition and Protocols 05:52 Comparing HIIT and Zone Two: Efficiency and Effectiveness 09:00 The Science Behind VO2 Max and Cardiac Health 12:03 Exercise Snacks: A New Approach to Fitness 15:11 Practical Applications of HIIT for Various Populations 17:50 The Impact of Short Bursts of Exercise on Health 21:40 Conclusion: Finding the Right Balance in Cardio 26:53 The Importance of Explosive Movements for Longevity 27:45 Tracking Heart Rate: Wearables vs. Intuition 29:41 Understanding Intensity: Talk Test and RPE 30:44 Aging and Health: The Importance of Pushing Limits 32:49 HIIT vs. Zone 2: Finding the Right Balance 38:44 Debunking Myths: HIIT and Hormonal Health 45:45 Zone 2 Benefits: Aerobic Base and Mental Clarity 48:41 Navigating Negative Feedback 50:24 Understanding HIIT vs. Zone 2 Training 51:37 Tailoring Workouts to Goals 53:38 Comparative Overview of HIIT and Zone 2 54:57 Personal Preferences in Training 57:34 The Importance of Data in Training 01:01:40 Engaging with the Audience