Cardiorespiratory Endurance… How Can You Improve It?

We talked about burning calories while swimming and how that can build cardiorespiratory endurance, but what is that and why is it important? “Cardiorespiratory endurance is the ability of your heart, blood vessels, and lungs to deliver oxygen to working muscles,” says Trevor Thieme, C.S.C.S., Beachbody’s senior manager of fitness...