Validity of quantitative rehabilitative ultrasound imaging measurements to assess the morphology and function of muscles of the trunk: A systematic review
Koppenhaver, S., Hebert, J., Parent, E. and Fritz, J. (2009) Validity of quantitative rehabilitative ultrasound imaging measurements to assess the morphology and function of muscles of the trunk: A systematic review. In: ACC-RAC 2009 Conference, 12 - 14 March 2009, Las Vegas, NV
OBJECTIVE: To systematically review the literature on the validity of using quantitative Rehabilitative Ultrasound Imaging (RUSI) measurements to assess the morphology and function of muscles of the trunk.
SUMMARY OF BACKGROUND DATA: RUSI is increasingly being used to evaluate muscle morphology and function in research and clinical applications. While using RUSI to measure muscle morphology has face validity, inferring about muscle function from these measurements is more complex. Examining the validity of RUSI for quantifying muscle function is therefore necessary before widespread use can be advocated.
METHODS: Original research articles that reported quantitative measures of trunk muscles using RUSI were identified. Data were extracted and categorized as relating to criterionrelated validity, construct validity, and responsiveness. A modified Quality Assessment of Diagnostic Accuracy Studies (QUADAS) tool was utilized to assess study quality.
RESULTS: Twenty-four studies were included. Seven studies investigated criterion-related validity and suggested that while RUSI may be a valid measure of trunk muscle morphology, the validity of using RUSI to quantify muscle function is context dependent. Validity depends on the muscle involved, the contraction strategy utilized, and possibly the intensity of muscle contraction. Fourteen studies demonstrated construct validity and supported the ability of RUSI measurements to differentiate individuals based on back pain, anthropometry, and postures. Responsiveness information was lacking and minimally identified in 4 studies.
CONCLUSIONS: There is growing evidence that RUSI is a valid measure of trunk muscle morphology and function for specific muscles under specific conditions. (This is an abstract from a conference presentation only and does not represent a full work that has been peer-reviewed and accepted for publication.)
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