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Isokinetic wrist flexion with tennis players

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  • Isokinetic wrist flexion with tennis players

    Dear all,

    I am a student and currently writing my examination paper in order to get
    my diploma in Sport science and education at the University of
    Saarbrücken(Germany). In this paper I investigate the variation of
    strength and power of tennis players of different levels. Therefore I am
    doing research about the problem of isokinetic measuring wrist flexion.
    For measuring I use the CYBEX 340 dynamometer.
    To investigate the wrist flexion performance of the players I am doing the
    First I test PEAK TORQUE at angular velocity of 3o deg/s(the slowest speed
    possible) to assess the `strength´ (isometric testing is not possible).
    Then I test at 3oo deg/s.
    To objectify the `power´I cannot use the variable `PEAK POWER´, because I
    restrict the flexion movement to a tennis specific range of motion, that
    is 9o degrees at most from starting in extreme extension position. For
    that reason I compare the PEAK TORQUE at 3o deg/s with the one at 3oo
    deg/s: The tested player who gets a better PEAK TORQUE at 3oo deg/s in
    relation to his 3o deg/s PEAK TORQUE is defined to have more `power´. In
    this way I can also eliminate the influence of `strength´.
    Because my literature study so far has not revealed much information about
    my(??) definition of `power´, I want to consult the net:
    Does anyone know some literature about this definition??? or can anyone
    give advice??? What`s your opinion about my study design??
    Thank you in advance.
    Immo Sauer

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