True, Swimming burns more calories than aerobics and cycling per hour.
Swimming burns approx 446 kcal in recreational whereas aerobics and cycling burn less per hour. Your body weight and exercise intensity will always determine how many calories you burn. But when swimming, you also need to think about your stroke technique. Backstroke and freestyle fall somewhere in between, with breaststroke often burning the fewest calories and butterfly typically burning the most.
You lose heat more quickly because water transfers heat better. Your body is compelled to produce greater heat as a result, of burning calories. However, swimming for 30 to 60 minutes straight can be quite a taxing exercise, but cycling can be done for several hours with no difficulty and helps you to burn more calories overall.
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