Butterfly swimming
Butterfly swimming competitive swimming stroke where the swimmer lies flat in the water with parallel horizontal shoulders and the pelvis near to the water surface (dolphin swimming). 1. Arm movement: both arms are brought simultaneously forward above water (in the swing phase) and pulled backwards again under water (in the push phase). 2. Leg movement: legs and feet move simultaneously up and down, similar to the movement of a swinging dolphin tail. The leg movement is initiated by the downward movement of the pelvis. The upward kick (straight legs is slower than the downward kick. 3. Breathing: the swimmer inhales from the push until the beginning of the swing phase, followed by exhaling under water through the nose and water. 4. Total movement: two leg kicks are performed during one arm pull. The first leg kick begins immediately following the water entry of the arms, the second occurs during the arm pull phase. 5. Start: following the start dive the swimmer can perform several leg kicks and one arm pull under the water surface. 6. Turn: during the turn and at the end of a race the swimmer has to touch the pool’s edge with both hands and with horizontal shoulder position. Butterfly swimming emerged from breaststroke (same leg kick) around 1935. In 1953 the technique of butterfly swimming was officially separated from breaststroke. (H.Haag &g. Haag, dictionary, 2003, 101 p.)
Source: http://lspa.eu/files/study/lection_materials/U.Svinks/Sport_lexis_terms_explanatory_dictionary_in_english.pdf
List of Literature and The List of Abbreviations sources used in the source document
1. Chambers Sports Factfinder. Chambers Harrap Publishers Ltd 2005. [ISBN 0550 101616] (Chambers. Sports Factf.,2005)
2. Dictionary of Leisure, Travel and Tourism. Third edition. A&C Black Publishers Ltd, 2008. [ISBN 9780713685459] (Dict. of Leis., Trav. and Tour., 2008)
3. Dictionary. Sport, Physical Education, Sport Science. Editors Herbert Haag&Gerald Haag. Kiel, Institut für Sport und Sportwissenschaften, 2003. [ISBN 3-7780-3419-7] ((H.Haag &G. Haag, Dictionary, 2003)
4. Dictionary of Sport and Exercise Science A&Black Publishers Ltd 2006. [ISBN -10: 0713677856; ISBN-13: 9780713677850] (Dict. of Sp.and Ex.Sc,2006)
5. Dictionary of the Sport and Exercise Sciences. Mark H.Anshel, Editor. Human Kinetics Books Champaign, Illinois, 1991 [ISBN: 0-87322-379-9] (Dict. of sp. and Ex. Sc. 1991)
Web site to visit: http://lspa.eu
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