The sidestroke is a swimming stroke, so named because the swimmer lies on one`s side with asymmetric arm and leg motion and it is helpful as a lifesaving technique and is often used for long-distance swimming. The sidestroke allows the swimmer increased endurance because, instead of working both arms and legs simultaneously in the same way, the s.... Found on http://en.wikipedia.org/wiki/Sidestroke
(from the article `swimming`) The earliest strokes to be used were the sidestroke and the breaststroke. The sidestroke was originally used with both arms submerged. This practice ... Found on http://www.britannica.com/eb/a-z/s/91