What Is Zone 2 Cardio, and How Do I Actually Do It?
via lifehacker.com
Short excerpt below. Read at the original source.
We may earn a commission from links on this page. A healthy dose of cardio is an important part of your exercise routine, and for a lot of us, “zone 2” cardio is going to make up a big chunk of that. Low-intensity cardio—sometimes called LISS or “zone 2”—used to be an underrated form of […]