Addressing turning and direction changes when using the Bloomfield Movement Classification

Sara Hale, Peter O'Donoghue

    Research output: Contribution to journalArticlepeer-review

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    The Bloomfield Movement Classification (BMC) allows speed agility
    quickness requirements as well as injury risk of activity in team games
    to be characterised. A limitation of previous applications of the BMC is
    that frequencies of movement types can be over-estimated while
    duration of movement instances can be under-estimated. This is
    because a movement instance composed of segments performed in
    different directions and / or turning activity will be presented as separate
    movement instances even if the same locomotive movement type is being
    performed. The current paper proposes a method of processing data
    captured using the BMC to address this. The method not only
    recognises movement instances composed of multiple segments but also
    allows movements to be characterised by the number of turns and
    direction changes performed within the movement instances. The
    netball movement data used in the current investigation has limited
    reliability and the results should only be considered in the knowledge
    that reliability is limited. However, the way in which the results are
    presented here are a good example of how the BMC can be used in
    future investigations of movement in different sports where a greater
    level of reliability is achieved.
    Original languageEnglish
    Pages (from-to)84-89
    Number of pages5
    JournalInternational Journal of Performance Analysis in Sport
    Issue number3
    Publication statusPublished - 1 Oct 2007


    • Performance Analysis
    • Sport
    • Netball


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