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Breakthrough swimming by Cecil Colwin

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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 - observe leading edge education tools and stroke recommendations 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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His work set the scene for the first comprehensive analysis of stroke mechanics and has since been followed by several other studies. 8 Lift-drag interaction: (a) less than 45 degrees; (b) 45 degrees; (c) greater than 45 degrees. From Schleihauf 1977, p. 53. Adapted by permission. The angle at which a body meets the flowstream, or angle of attack, is a crucial factor.

In the process, variations in body build and stature, length of limb, muscularity, and individual buoyancy became important factors. In the Australian and the American versions of the stroke, the aim was to try to avoid excessive up-and-down movement of the shoulders while trying to keep the entire body as flat and as high as possible. The heels were to be kept high enough so that they worked very close to the surface, both in recovery and during the kick. On the other hand, the Europeans—particularly the Russians—permitted and even encouraged the shoulders and torso to rise and fall in the natural rhythm of the stroke.

123–124). This account is a good example of how the pioneers of swimming often incorrectly rationalized the acceptance of new techniques. Handley advocated a slight side-to-side roll “to facilitate inhaling and to permit a clean recovery of the arms. 15). better clear the surface, then moved out and forward, simultaneously turning palm down, so that by the time it passes the shoulder line the whole arm is in the prescribed position for another entry” (pp. 28–29). Bachrach (1924) said that, during the pull, the elbow should bend until it reaches an angle of 45 degrees.

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