What Is Zone 2 Cardio? Why Everyone's Talking About It
Let's be honest. You've probably seen it mentioned everywhere lately. Fitness influencers, longevity researchers, and even your gym-obsessed friend who used to only talk about lifting heavy are all suddenly bringing up "Zone 2." It sounds technical. ical, slightly intimidating, like something you'd need a lab coat and a heart rate monitor to properly understand. The actual concept is considerably simpler than the hype suggests and genuinely worth understanding. What Zone 2 Actually Means Your heart rate during exercise falls into different "zones," ranges tied to how hard your body is working and which energy systems it's primarily relying on. Zone 2 refers to a specific, moderate intensity, roughly 60 to 70 percent of your maximum heart rate, where you're working hard enough to genuinely elevate your heart rate but easy enough that you could still hold a conversation, just not comfortably sing. A simpler, practical test many people us...