Medically reviewed by Amy Kwan, PTZone 2 cardio improves cardiovascular fitness and helps you use fat as fuel.Credit: pipat wongsawang / Getty ImagesKey TakeawaysZone 2 cardio is low- to moderate-intensity exercise that uses fat as a primary fuel source and improves heart health, endurance, and metabolism.To practice zone 2 cardio, aim for activities like brisk walking, jogging, or cycling at 60 to 70% of your maximum heart rate.For the best res…
If you want to improve your fitness during sports, you don't have to fully power yourself out. The secret of the professionals is Zone 2 training: the moderate workout protects the joints, prevents hot hunger and puts fat burning at full speed.