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  • Naming movement planes & motions

    Hello, I am teaching a Kinesiology course and have
    had a couple of interesting discussions about naming
    movement planes and am curious how most professionals
    would describe the following:

    Typically, elbow flexion/extension occurs in the
    sagittal plane. However, if you abduct your arm (in
    frontal plane) and begin to flex/extend your elbow,
    would you say that is in the frontal plane? Or would
    you be one to say that flex/extension always occur in
    the sagittal plane because it is based on Anatomical
    position? I have heard it argued both ways and want
    to hear from all of you.

    Another example to consider: forearm
    pronation/supination occurs in transverse plane in
    anatomical position, but what if flex elbow 90 degress
    in order to turn a door knob. Now, would you say the
    wrist is rotating in the frontal plane? or would you
    say it's always transverse?

    One last example: hip int/ext rotation in anatomical
    position is in transverse plane. But, what if you sit
    down so that hip is flexed 90 degrees. Now, the head
    of femur is rotating in the frontal plane? Or would
    you say it's always transverse?

    I look forward to all the responses, and will post a
    summary.

    Thanks,
    Heather Gulgin, PhD, ATC
    Grand Valley State University
    616-331-3783
    gulginh@gvsu.edu


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