The above graph (Leblanc, et. al, 2007) shows the velocity fluctuations of an elite breaststroker over one stroke cycle. Would you use this swimmer as a model? Applying mechanical principles to optimize technique is a better option than modeling champions as presented in a recent article in Swimming World.
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Corrected Link for Study on Backstroke Start
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A recent study compared backstroke start joint extension sequences (Nara, Ikeda, Shimojo, Sato , Ichikawa, Baba & Shimoyama, 2021). Male and female national caliber swimmers were tested using three different leg extension protocols. The results support the value of extending at the hips before the knees.
Effective Arm Entry and Catchwith Coach/Swimmer Miller Albury (top left), Coach Kathleen Prindle (bottom right), and Dr. Rod Havriluk (bottom left) was just posted.
Athlete Mental Healthwith Dr. John Heil, Dr. Ina Harizanova, Coach Sergio Lopez Miro, and Swimmer Farida Osman is also available.