Why Zone 3 Cardio Is Just As Good As Zone 2
via lifehacker.com
Short excerpt below. Read at the original source.
There are benefits to training in heart rate zone 2, and you’ve probably heard all about them. But what happens when your heart rate spikes into zone 3, whether when you’re on a run or doing cardio at the gym? Surprise: You don’t lose the benefits of zone 2 training. Zone 3 is arguably just […]