types of strokes [3]![click to hear](/images/speaker.jpg)
Four basic categories are recognized by the International Amateur Swimming Federation (FINA): the breaststroke, the butterfly, the backstroke and freestyle (the crawl).
butterfly stroke ![click to hear](/images/speaker.jpg)
Stroke on the stomach in which the two arms are thrust simultaneously toward the front and then brought backward.
butterfly turn ![click to hear](/images/speaker.jpg)
Movement for making a half turn; the swimmer touches the wall with both hands, pivots, then pushes from the wall with the feet.
butterfly kick ![click to hear](/images/speaker.jpg)
Vertical simultaneous movement of the legs that completes an undulation started by the upper body; the legs always stay together.