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Swimming: 8 facts – trivial and not – from 'Swim'
ABC news correspondent Lynn Sherr, an avid swimmer, explores the history of humans in the water in her new book 'Swim.' Here are 8 interesting facts about swimmers from past to present.
Hugues Duboscq at the French Swimming Championships
Pascal Rossignol/Reuters
1. Strength
In swimming, using your arms is more important than utilizing your legs – your arms give you 80 percent of your power in moving forward.
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