Karyn learns about Olympic swimmers' dolphin kick

11:28 AM, Aug 3, 2012   |    comments
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U.S. swimmer Kara Lynn Joyce (Eric Francis/Getty Images)



11ALIVE COVERAGE OF THE SUMMER GAMES




NBC OLYMPIC ZONE

LONDON -- What makes Olympic swimmers go so fast?

For many, it comes down to talent, training and a special move known as the dolphin kick.

Karyn Greer sat down with engineers from BMW who worked to determine the effectiveness of this swimming move.

PHOTOS | Karyn and Chesley in London

Olympic swimmer and University of Georgia alumna Kara Lynn Joyce agreed to wear sensors on her body while she performed the kick, giving engineers a chance to record her movements and determine the kick's effectiveness.

The engineers concluded that perfecting the dolphin kick could help a swimmer shave whole seconds off his or her time. In fact, the move is so effective that Olympic swimmers are only allowed to use it for the first 15 meters off the pool wall.

Follow Chesley (@chesley11alive) and Karyn (@karyngreer) on Twitter as they report live from the Olympics. Use the hashtag #OlympicsATL to join the conversation.

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