Aerobic exercise

Aerobic exercise is rhythmic, repetitive activity such as walking, swimming and biking that continues for up to 30 minutes. This dynamic exercise restores a steady supply of oxygen to the exercised muscles.

Benefits of aerobic exercise:

Aerobic exercise helps your heart work more efficiently by:

toning your heart muscle
stimulating circulation through the coronary arteries and peripheral vascular system and enhancing circulation
improving cardiovascular endurance (how long)
improving cardiovascular tolerance (how much)

In addition to how aerobic exercise can help your heart, it may also:

decrease cardiovascular symptoms
decrease heart muscle oxygen demand and decrease your risk for a heart attack
reduce body fat

If you have heart problems, ask your doctor or nurse if aerobic exercise is safe for you.