Aerobic exercise

Aerobic exercise is sustained physical activity that relies substantially on oxygen-dependent energy production. Rhythmic movement of large muscle groups can improve cardiovascular endurance.

Aerobic metabolism: Cellular energy production that uses oxygen to extract energy from nutrients. It supplies much of the energy for prolonged, moderate-intensity activity.
Continuous training: Exercise performed at a relatively steady intensity without planned rest intervals. It is a common way to accumulate sustained aerobic work.
Cardiovascular disease: A group of disorders affecting the heart and blood vessels. Regular aerobic activity can lower several risk factors for these disorders.
Metabolic equivalent: A unit expressing activity energy cost relative to resting energy expenditure. It offers a common scale for comparing aerobic activity intensities.
Cardiorespiratory fitness: The capacity of the circulatory and respiratory systems to deliver oxygen during physical activity. Its improvement is a central adaptation to regular aerobic training.
Interval training: Training that alternates bouts of higher effort with recovery periods. It develops aerobic fitness through repeated changes in intensity.
Hypertension: Persistently elevated blood pressure in the arteries. Aerobic training can help reduce resting blood pressure.
Heart rate reserve: The difference between maximum and resting heart rate, used to prescribe exercise intensity. It helps set individualized aerobic training zones.
VO₂ max: The highest rate at which the body can take up and use oxygen during intense exercise. It measures an upper limit of aerobic capacity.
High-intensity interval training: Interval training built around brief bouts of near-maximal or vigorous effort and recovery. It is a demanding, time-efficient format that can improve aerobic capacity.

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