http://www.UniversalSports.com 2009, Indianapolis, Indiana, USA Swimming Championships, Womens 100m Butterfly, Christine Magnuson takes the American title at 57.15 seconds, and is head to the world championship with Dana Vollmer. (Universal Sports, UniversalSports.com)
Ohhh yeaa, My coach tells me that my "undulation" is great !
swimmerforever2008 2 years ago
It's basically the wave motion of the whole body. It's used mainly in the short axis strokes: butterfly and breaststroke.
HungAzn 2 years ago
What does that mean ?? x) xP
haha "Undulation" xD
swimmerforever2008 2 years ago
Their undulation is amazing.
HungAzn 2 years ago