By Cecil Colwin
''In leap forward Swimming, swimming trainer and historian Cecil Colwin describes how aggressive swimmers of the fashionable period - similar to swimming giants Ian Thorpe and provide Hackett - practice leading edge education equipment and stroke innovations to set new criteria of functionality. All 4 strokes in addition to starts off and turns are awarded in thorough element in Colwin's easy-to-grasp educational style.''--BOOK JACKET.
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Additional resources for Breakthrough swimming
Bachrach (1924) said that, during the pull, the elbow should bend until it reaches an angle of 45 degrees. The arm is bent so that more surface area of the forearm is offered to the water. The pull ends at the hip where the muscles relax as the arm is brought out of the water. The forearm and wrist stay relaxed during recovery as the arm is carried out of the water to the forward position. The action of the right arm is similar. As the left arm comes out, the right arm starts its pull from the forward position, the hands at all times being equidistant.
The next stage of Schleihauf’s studies involved filming champion swimmers from directly below and at right angles to their forward direction. Before filming, Schleihauf placed four small lights on each swimmer’s hands, which enabled Schleihauf to determine the hands’ paths as well as their changing speeds and angles of attack in all four styles of swimming. Schleihauf then combined the data collected from his film studies of leading swimmers with the information obtained in the fluid laboratory (Schleihauf 1977).
The feet were rotated inward, with the soles pressing the water with the greatest possible pressure. 28 Breakthrough Swimming The leg and arm actions followed one another, with the legs being drawn up as the hands reached the level of the shoulders and continued until the hands came under the chin, from which position the kick joined in the forward movement of the body, brought about by the arm action. Inhalation took place as the arm action ended. Rajki mentioned that the several variations of the breaststroke differed in style and coordination according to individual physique.