EPISODE · Aug 5, 2025 · 38 MIN
238. Cardio, simplified: Understanding intensity, fat loss, and heart health
from Help Me Understand · host JK McLeod
In this episode, Coach JK simplifies one of the most misunderstood areas of fitness: cardio. From walking to sprinting, not all cardio is created equal; and most people aren’t as clear as they think about what kind they’re actually doing.You’ll hear Coach JK break down what cardio actually is, how to tell the difference between low, moderate, and high intensity using the talk test and RPE scale, and why Sprint Interval Training (SIT) became a necessary term after high-intensity interval training (HIIT) got watered down.He also unpacks two key reasons people turn to cardio (fat loss and heart health) and explains why understanding the difference between burning dietary fat and body fat matters more than you think.Episode topics: -What cardio really means (and how to simplify it)-The truth about HIIT vs. SIT-Why intensity matters more than your stopwatch-How cardio supports fat loss and what most people get wrong about it-The overlooked benefits of cardio for heart health-Why we need to stop putting everything through the weight loss filter-----Want to join the free Fitness Foundations Community? Connect with JK via IG @CoachJKMcLeod or email [email protected] for your community invite
What this episode covers
In this episode, Coach JK simplifies one of the most misunderstood areas of fitness: cardio. From walking to sprinting, not all cardio is created equal; and most people aren’t as clear as they think about what kind they’re actually doing.You’ll hear Coach JK break down what cardio actually is, how to tell the difference between low, moderate, and high intensity using the talk test and RPE scale, and why Sprint Interval Training (SIT) became a necessary term after high-intensity interval training (HIIT) got watered down.He also unpacks two key reasons people turn to cardio (fat loss and heart health) and explains why understanding the difference between burning dietary fat and body fat matters more than you think.Episode topics: -What cardio really means (and how to simplify it)-The truth about HIIT vs. SIT-Why intensity matters more than your stopwatch-How cardio supports fat loss and what most people get wrong about it-The overlooked benefits of cardio for heart health-Why we need to stop putting everything through the weight loss filter-----Want to join the free Fitness Foundations Community? Connect with JK via IG @CoachJKMcLeod or email [email protected] for your community invite
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238. Cardio, simplified: Understanding intensity, fat loss, and heart health
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