Cardiovascular training that involves activities lasting from more than 3 minutes to more than 20 continuous minutes would be called
a form of exercise that is performed at a 'continuous' intensity throughout and doesn't involve any rest periods.
Exercise programs that target the heart and lungs are known as cardiovascular training (CV). Cardiovascular training is the term used to describe muscle activity that makes the body require more oxygen than usual to power the workout movements. With oxygen in mind, these exercises are commonly referred to be aerobic.
By forcing the heart to beat faster during the workout, these aerobic workouts boost heart strength. For the body's muscles to receive the essential oxygen, this pace is required. Of course, the lungs must do more effort to take in enough oxygen to satisfy the body's increased need.
Aerobic training or just cardio are other names for cardiovascular training.
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