Bellaire High School Swimming
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Butterfly
In the variation of the breaststroke known as the butterfly, both arms are brought forward together over the water and then brought backward simultaneously. The movement of the arms is continuous and is accompained by an undulating movement of the hips. The leg kick, called the dolphin kick, is a whiplike downward motion of the unseparated feet.
Breaststroke
In the breaststroke, the swimmer lies front down, arms pointed straight ahead with palms down, and executes the following sequence of horizontal movements. The arms are swept backward in line with the shoulders, always on or under the surface of the water. The legs are drawn up close to the body, with knees and toes turned out, and are then thrust outward as the arms are brought back to hte starting point-at which the netire cycle begins again. The swimmer exhales underwater. The arm strokes must be lateral, not vertical, an important and much debated point of style in competitive swimming.
Freestyle
In the freestyle (crawl), one of the swimmer's arms moves through the air, the hand turning palm downward ready to catch the water, elbow relaxed, as the other arm pulls under the water. The legs move in what has evolved in recent years as the flutter kick, an alternating up-and-down movement from the hips, legs relaxed, toes pointed, feet turned inward. Four to eight kick strokes per single arm movement are used. Proper breathing is very important in this stroke. One full breath can be taken in each arm cycle, with the swimmer inhaling through the mouth by turning the head to the side as the arm passes, then exhaling underwater as the arm comes forward again.
Backstroke
The backstroke is essentially the crawl stroke but with the swimmer's head back turned to the water. Alternately, one arm is lifted, palm facing outward, from being the leg and is brought up behind the head while the other arm pulls the body through the water. A flutter kick is used.
Images from "Swimming" Microsoft(R) Encarta(R) 97 Encyclopedia. Copyright 1993-1996 Microsoft Corporation.