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Related Experiment Videos

Cervical motion assessment: a new, simple and accurate method.

S M Tucci, J E Hicks, E G Gross

    Archives of Physical Medicine and Rehabilitation
    |April 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

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    A novel gravity goniometer with a head adapter offers a reliable and accessible method for assessing cervical range of motion. This tool demonstrated high reliability, especially with novice examiners, overcoming limitations of traditional methods.

    Area of Science:

    • Biomechanics
    • Clinical Measurement
    • Rehabilitation Engineering

    Background:

    • Assessing cervical spine mobility is challenging due to complex head movements and lack of precise reference points.
    • Existing methods like visual estimation, radiography, and universal goniometers have limitations including inaccuracy, radiation exposure, and cost.
    • There is a need for a reliable, objective, and accessible tool for measuring cervical range of motion.

    Purpose of the Study:

    • To evaluate the reliability of a standard gravity goniometer with a custom head adapter for measuring cervical range of motion.
    • To compare the reliability of this novel instrument with the universal goniometer.
    • To determine the effectiveness of the gravity goniometer, particularly in scenarios involving examiners with varying experience levels.

    Main Methods:

    Related Experiment Videos

    • A standard gravity goniometer, equipped with a spirit level and a custom head adapter (wood block with carved arc and elastic straps), was utilized.
    • The reliability of the gravity goniometer was assessed by comparing its measurements to those obtained with a universal goniometer.
    • Intraclass correlation coefficients (ICC) were calculated to compare the agreement between examiners and instruments across six criteria measures of cervical motion.

    Main Results:

    • The universal goniometer showed significant ICC values for only three of six criteria when used by two experienced examiners.
    • The gravity goniometer with the head adapter yielded highly significant ICC values for all six criteria when used by one experienced and one novice examiner.
    • Comparing both instruments, the gravity goniometer demonstrated significant ICC values in four of six measures when used by a single experienced examiner.

    Conclusions:

    • The gravity goniometer with a head adapter provides a reliable and objective method for assessing cervical mobility.
    • This instrument is particularly advantageous when used by examiners with less experience, offering superior reliability compared to the universal goniometer.
    • The accessibility and cost-effectiveness of the gravity goniometer make it a practical alternative for clinical studies evaluating neck motion.