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Cardio

UK //ˈkɑː.di.əʊ//US //ˈkɑr.di.oʊ//

Definition

Exercises that improve heart and lung function.

In simple words: Exercise that raises your heart rate.

Examples

Running is a great form of cardio.
She includes cardio in her daily workout routine.
High-intensity interval training is an effective cardio method.
Many fitness classes focus on cardio exercises.
Walking briskly is a simple way to get your cardio in.
Swimming offers a full-body cardio workout.
They recommend at least 150 minutes of cardio per week.

Usage notes

Used primarily in fitness contexts. Appropriate in casual and formal discussions about health. Avoid in highly technical medical discussions.

Grammar pattern

noun

Memory hint

Think of 'cardiovascular' to remember it relates to heart health.

Collocations

cardio workout
cardio exercise
cardio routine
cardio training
cardio session

Synonyms

aerobic exercise
heart workout
endurance training
fitness training
pulse-racing activities

Common mistakes

Confused with 'aerobic' exercises.
Misused as a verb (e.g. 'I cardio every day').
Wrongly assumed to include all types of exercise.