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    Two weeks ago we posted:

    Biomech-L members,
    We are looking for descriptive information about the ground reaction forces
    of dogs (preferably hind limb) while walking (or running) or information
    regarding DVM listings similar to the BIOMECH-l where this information may

    PS - Horse GRF information is also welcome.

    Here are the replies to our original posting.

    1) Check the works of C. Richard Taylor, who is now deceased, at the
    Harvard Laboratory of Comparative Zoology. Loads of work here on running
    animals including dogs and horses.

    Dwight H. Hector
    2) There's a guy in the Department of Veterinary Medicine at the University
    of Illinois at Urbana-Champaign who has been studying same for some time.
    He has a dog gait lab! I visited his lab for a couple of days several years
    ago. Wish I had the name but it escapes me right now. If you can't find it,
    I'll search further. Good luck.

    John Trimble, Ph.D.
    3) David Carrier ( has recent data from dogs
    accelerating. You might want to contact him.

    Devin Jindrich
    4) Some of the horse info is in Equine Veterinary Journal, which is not in
    traditional medline. We do both dogs and horses here at Tufts, but others
    do quite a bit more. The pro's at ground reaction forces in dogs would be
    Jim Tomlinson at Univ. Missouri (, or
    Steve Budsberg at Univ. Georgia (voice 706-542-6460).
    I hope this helps.

    Karl H. Kraus DVM
    Associate Professor of surgery
    Tufts University School of Veterinary Medicine
    5) When I was a master's student here, Gideon Ariel and a cybernetics
    doctoral student were walking/running cats across a force plate. There was
    a very interesting paper published, I think in the J Exp Biol, 1939 by a
    guy named Manter. He built a force plate using a series of rubber bands. If
    you've never seen this article, you must. It's a gas.

    I think the doctoral student's name was Ruth Maulucci (spelling)? They
    published an abstract in the Neural Control of Locomotion proceedings,
    Plenum Press, about 1975.

    Gary Kamen, Ph.D.
    Department of Exercise Science
    Totman 160A
    University of Massachusetts Tel: 413.545.0784
    Amherst, MA 01003 FAX: 413.545.2906
    6) Check these references out:

    PA Manley, R Vanderby Jr, S Dogan, SS Kohles, AA McBeath. "A Ground
    Reaction Force Comparison of Canine Cemented and Cementless Total Hip
    Replacement," Clinical Biomechanics, 5:199-204, 1990.

    S Dogan, PA Manley, R Vanderby Jr, SS Kohles, LM Hartman, AA McBeath.
    "Canine Intersegmental Hip Joint Forces and Moments Before and After
    Cemented Total Hip Replacement," Journal of Biomechanics, 24(8):397-407,

    Sean S. Kohles, PhD
    Visiting Assistant Professor
    Dept. of Exercise and Movement Science
    University of Oregon
    Eugene, OR 97403-1240 USA
    7) Try contacting Charles Decamp at Michigan State University Veterinary
    school. He has conducted tests on both dogs and horses.

    Jim Patton, Northwestern University Biomedical Engineering Doctoral
    Candidate 645 N michigan Ave, Suite 1100, Chicago, IL 60611
    (312)908-6785office (312)908-0741FAX (708)861-9194pager

    8) In regards to your dog GRF posting, you may want to give Paul Rumpf and
    Steve Kincaid a call at Auburn University. They've got an AMTI plate built
    into a runway across which they walk and run various types of dogs. I'm
    sure they have GRF data, and should have joint kinematic and kinetic data
    as well.

    Paul: (334)844-6743
    Steve: (334)844-6738

    Good luck,

    George Miller
    Peak Performance Technologies, Inc.
    7388 South Revere Parkway, Suite 601
    Englewood, Colorado 80112 USA
    Ph: 303-799-8686 Fax: 303-799-8690

    Thanks to all who responded.

    Michael R. Torry, Ph.D.
    Steadman-Hawkins Sports Med. Foundation
    Vail, CO 81657

    Steadman Hawwkins Sports Medicine Foundation
    181 West Meadow Drive, Suite 1000
    Vail, CO 81657
    P: 970-479-9797
    F: 970-479-9753

    Please use "Attention: "recipient's name"" in the subject header, as this
    is a shared account and helps us sort out the messages. Thanks.