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Lower extremity power in female soccer athletes : a pre-season and in-season comparison

Treść / Zawartość
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Purpose: Lower extremity power is an important physical capacity of a soccer athlete. Power represents, and can be modified by, the training of strength and speed. Pre-season and in-season training differs in the relative emphasis on these two quantities. It is nevertheless desirable that the mechanical power remain the same or become higher during the in-season period. The purpose of this study was to identify changes in quantities related to “explosive strength” and to check whether, in collegiate female soccer players, pre- and inseason lower extremity power will remain unaltered. Methods: Twenty collegiate female soccer players, representing all field positions, participated. Lower extremity power was assessed by a series of drop jumps executed from four different heights (15, 30, 45, and 60 cm). Mechanical power was calculated using subject’s mass, jump height, and acceleration due to gravity. This value was further normalized by body mass of each athlete to obtain the relative (or normalized) mechanical power. Results: The normalized lower extremity mechanical power was highest when landing from the 30 cm height for both pre- and inseason periods. However, contrary to expectations, it turned out lower during the in-season than during the pre-season test, even though no significant differences were found between the corresponding jump heights. Conclusions: It is concluded that altered, perhaps inadequate, training strategies were employed during the in-season period. Besides, advantages of adding the relative mechanical power as a season readiness indicator are underlined compared with relying on the jump height alone.
Rocznik
Strony
129--135
Opis fizyczny
Bibliogr. 20 poz., rys., tab., wykr.
Twórcy
  • Department of Biomechanics, University School of Physical Education, Wrocław, Poland
autor
  • Higher School of Physiotherapy, Wrocław, Poland
autor
  • Department of Team Sport Games, University School of Physical Education, Wrocław, Poland
  • Department of Biomechanics, University School of Physical Education, Wrocław, Poland
autor
  • Department of Team Sport Games, University School of Physical Education, Wrocław, Poland
autor
  • Department of Team Sport Games, University School of Physical Education, Wrocław, Poland
Bibliografia
  • [1] BOBER T., RUTKOWSKA-KUCHARSKA A., PIETRASZEWSKI B., LESIECKI M., Biomechanical criteria for specifying the load applied in plyometric training in basketball, Research Yearbook, 2006, Vol. 12(2), 227–231.
  • [2] BOBER T., RUTKOWSKA-KUCHARSKA A., PIETRASZEWSKI B., Plyometric exercises – biomechanical characteristics, indexes, applications, Sport Wyczynowy, 2007, Vol. 7–9, 511–513.
  • [3] CAMPO S.S., VAEYENS R., PHILIPPAERTS R.M., REDONDO J.C., DE BENITO A.M., CUADRADO G., Effects of lower-limb plyometric training on body composition, explosive strength, and kicking speed in female soccer players, J. Strength Cond. Res., 2009, Vol. 23(6), 1714–1722.
  • [4] CHIMERA N.J., SWANIK K.A., SWANIK C.B., STRAUB S.J., Effect of plyometric training on muscle-activation strategies and performance in female athletes, J. Athl. Train, 2004, Vol. 39(1), 24–31.
  • [5] HEWETT T.E., LINDENFELD T.N., RICCOBENE J.V., NOYES F.R., The effect of neuromuscular training on the incidence of knee injury in female athletes: a prospective study, Am. J. Sports Med., 1999, Vol. 27(6), 699–706.
  • [6] KELLIS S.E., TSITSKARIS G.K., NIKOPOULOU M.D., MOUSIKOU K.C., The evaluation of jumping ability of male and female basketball players according to their chronological age and major leagues, J. Strength Cond. Res., 1999, Vol. 13(1), 40–46.
  • [7] KOTZAMANIDIS C., CHATZOPOULOS D., MICHAILIDIS C., PAPAIAKOVOU G., PATIKAS D., The effect of a combined highintensity strength and speed training program on the running and jumping ability of soccer players, J. Strength Cond. Res., 2005, Vol. 19(2), 369–375.
  • [8] LAFFAYE G., CHOUKOU M.A., Gender bias in the effect of dropping height on jumping performance in volleyball players, J. Strength Cond. Res., 2010, Vol. 24(8), 2143–2148.
  • [9] LEES A., NOLAN L., The biomechanics of soccer: a review, J. Sports Sci., 1998, Vol. 16(3), 211–234.
  • [10] MCCLYMONT D., HORE A., Use of the Reactive Strength Index RSI as a plyometric monitoring tool, Proceedings of the 5th World Congress of Science in Football, Lisbon, 2003.
  • [11] MYER G.D., FORD K.R., PALUMBO J.P., HEWETT A.E., Neuromuscular training improves performance and lowerextremity biomechanics in female athletes, J. Strength Cond. Res., 2005, Vol. 19(1), 51–60.
  • [12] OLIVER J., ARMSTRONG N., WILLIAMS C., Changes in jump performance and muscle activity following soccer-specific exercise, J. Sports Sci., 2008, Vol. 26(2), 141–148.
  • [13] PIETRASZEWSKI B., RUTKOWSKA-KUCHARSKA A., Relative power of lower limbs in drop jump, Acta Bioeng. Biomech., 2011, Vol. 13(1), 13–18.
  • [14] RUBLEY M.D., HAASE A.C., HOLCOMB W.R., GIROUARD T.J., TANDY R.D., The effect of plyometric training on power and kicking distance in female adolescent soccer players, J. Strength Cond. Res., 2011, Vol. 25(1), 129–134.
  • [15] STONKUS S. Basketball – History, Theory, Didactics, Lietuvos Kuno Kulturos Akademija, 2003.
  • [16] STRUZIK A., PIETRASZEWSKI B., Examination of the relationship between the static moment of force and the height of counter movement jump (CMJ) by using modern measuring devices, Acta Bio-Optica et Informatica Medica, 2010, Vol. 16(4), 346–350.
  • [17] TRZASKOMA Z., TRZASKOMA Ł., Strength and power in elite male and female players engaged in team sports, Acta Bioeng. Biomech., 1999, Vol. 1(suppl. 1), 519–522.
  • [18] VALOVICH MCLEOD T.C., ARMSTRONG T., MILLER M., SAUERS J.L., Balance improvements in female high school basketball players after a 6-week neuromuscular-training program, J. Sport Rehabil., 2009, Vol. 18(4), 465–481.
  • [19] VASCONCELLOS F.V.A., DE SALLES P.G.C.M., ACHOUR JUNIOR A., DE MELLO D.B., DANTAS E.H.M., The vertical jump height of soccer players after static overstretching, Hum. Mov., 2012, Vol. 13(1), 4–7.
  • [20] WALDÉN M., HÄGGLUND M., WERNER J., EKSTRAND J., The epidemiology of anterior cruciate ligament injury in football (soccer): a review of the literature from a gender-related perspective, Knee Surg. Sports Traumatol. Arthrosc., 2011, Vol. 19(1), 3–10.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-5f16fbe4-88b3-432b-9abf-01fcd6e7082f
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