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Task velocity and mass (or ball velocity and bat mass)

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  • Task velocity and mass (or ball velocity and bat mass)

    Greetings,
    I am looking for any (all) manuscripts that report studying the
    velocity of a task (e.g. swinging a bat or throwing a ball) as a function
    of the mass of the object being swung/thrown.
    I am especially interested in references that have used Hill's
    equation (Fenn and Marsh) or other similar equations to predict the
    relationship between task velocity and the mass of the object.
    My specific question is: How does baseball/softball bat mass (and
    inertia) influence swing velocity?
    While most studies on bat-ball impacts have looked at the mechanics
    of the impact, I can find only one study that uses Hill-type equations to
    incorporate the "biomechanics". (Bahill and Karnavas, Determining Ideal
    Baseball Bat Weights Using Muscle Force-Velocity Relationships, Bio. Cyber
    62,89-97,1989).
    Have similar studies been performed in other sports?
    Any general articles on predicting task velocity for a given mass
    would also be helpful.


    Please e-mail me directly and I will summuraize the responses.

    Thanks in advance, Trey

    __________________________________________________ _____________________
    J.J. Trey Crisco, Ph.D.
    Director Bioengineering Laboratory, Department of Orthopaedics, RIH
    Assistant Professor, Department of Orthopaedics, RIH
    Adjunct Assistant Professor, Division of Engineering, Brown University

    Mailing address:
    Orthopaedic Research, SWP-3
    Rhode Island Hospital
    593 Eddy Street
    Providence, RI 02903
    Voice: 401-444-4231
    Fax: 401-444-4559
    Email: joseph_crisco_iii@brown.edu
    __________________________________________________ _____________________
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