VNR #271: Zone 2 Training: Necessary or Not?

-Zone 2 training is a form of moderate-intensity aerobic exercise performed at roughly 60-70% of your maximum heart rate. -It is usually performed by running, biking or rowing for at least 45 minutes. -This training emphasizes aerobic metabolism, where your body primarily burns fat for fuel while building mitochondrial efficiency, capillary density, and overall endurance. -It has become a popular topic of discussion in the CrossFit community, but is it necessary to include in your training? -...