Swimming is commonly considered a cardiovascular workout that challenges your heart and lungs as you travel the length of the pool racking up laps, but thinking of swimming workouts as only cardio ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Both running and swimming are great forms of cardio, engaging your muscles, boosting heart health, ...

Even though they lack fins and their bodies are gelatinous, jellyfish are some of the most energy-efficient swimmers. They achieve this by making use of their bells – the umbrella-shaped part of a ...

Distance swimming can be intimidating to swimmers who primarily swim the sprint or stroke events. They are always the last to leave in practice, spend almost no time on the wall, and spend all their ...