Explore the world beyond headlines with amazing videos. Wed, 12 Apr 2017 13:52:39 +0000 en-US hourly 1 https://wordpress.org/?v=6.3.5 https://documentary.net/wp-content/themes/documentary/img/documentary-logo.png 337 17 Explore the world beyond headlines with amazing videos. https://documentary.net/video/paddle-vs-propeller-which-swimming-stroke-is-superior/ https://documentary.net/video/paddle-vs-propeller-which-swimming-stroke-is-superior/#respond Mon, 23 Jul 2012 06:53:25 +0000 http://documentary.net/?p=7016

Two swimming strokes—one that pulls through the water like a boat paddle and another that whirls to the side like a propeller—are commonly used by athletes training for the Olympic Games. But elite swimmers and their coaches have long argued over which arm motion is more likely to propel an aquatic star toward a gold medal. Rajat Mittal, A Johns Hopkins fluid dynamics expert, has found that the deep catch stroke, resembling a paddle, has the edge over sculling, the bent-arm, propeller-inspired motion.]]>

Two swimming strokes—one that pulls through the water like a boat paddle and another that whirls to the side like a propeller—are commonly used by athletes training for the Olympic Games. But elite swimmers and their coaches have long argued over which arm motion is more likely to propel an aquatic star toward a gold medal. Rajat Mittal, A Johns Hopkins fluid dynamics expert, has found that the deep catch stroke, resembling a paddle, has the edge over sculling, the bent-arm, propeller-inspired motion.]]> https://documentary.net/video/paddle-vs-propeller-which-swimming-stroke-is-superior/feed/ 0