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    J Strength Cond Res. 2006 Aug;20(3):709-15.

    Analysis of biomechanical quantities during a squat jump: evaluation of a performance index.

    Source

    Dipartimento di Meccanica e Tecnologie Industriali, Università degli Studi di Firenze, Firenze, Italy. bernardo.innocenti@unifi.it

    Abstract

    In this study, a procedure for evaluating the performance of an athlete in a squat jump has been developed. The athletes were divided into 2 categories according to their level of merit: elite athletes and non-elite athletes. In some of the subjects, the vertical component of acceleration during the squat jump was acquired with a uniaxial accelerometer. The acceleration-time curves obtained for each category of athletes were analyzed. Some analysis parameters suitable for establishing an athletic training level index were determined. A threshold value for this index that can be used to check gesture learning was also established, allowing the index to be used as a parameter for defining sport performance in a squat jump; thus it can also be used, during the training of an athlete, as the performance index to which reference should be made.

    PMID:
    16937987
    [PubMed - indexed for MEDLINE]

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