This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Zone 2 training is a type of cardio exercise where you use your heart rate as a guide to help you find the right intensity for your ...

These are the famous zone 2 workouts—keeping your heart rate between about 70 and 80 percent of its maximum—that runners, smart gymgoers, and everyone with a podcast is talking about these days. Think ...

The cardio world has split into two passionate camps that argue with the intensity of people debating pineapple on pizza. On one side, you have the HIIT devotees who swear by short, brutal workouts ...

The concept of zone 2 training has been gaining traction for those looking to improve their endurance, but have you heard of zone zero training? While it utilizes the same concept, zone zero training ...