We all know it’s a great way to stay in shape, but is swimming cardio?
The Truth About Swimming for Weight Loss
Cardio – Swimming – WorkoutLabs Exercise Guide
Why swimming is the best cardio exercise – Massachusetts Daily Collegian
Why Swimming Is The Best Exercise Ever
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Is swimming as effective as running for cardio? - Quora
Arun Akula Rao on LinkedIn: Is swimming cardio?
Is swimming aerobic or anaerobic exercise?