Validity, Reliability, and Normative Values for Clinically-Assessed Frontal Tibial Orientation as a Measure of Varus-Valgus Knee Alignment

in International Journal of Athletic Therapy and Training
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  • 1 University of Dayton
  • 2 East Carolina University
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Frontal plane knee alignment can influence the development and management of various knee pathologies. Valid and reliable clinical methods for assessment are needed. The primary purposes of this study were to assess the validity and reliability of inclinometer-based frontal plane tibial orientation as a limb alignment measure, and secondarily to establish normal values in healthy individuals. Frontal tibial orientation was validated per moderately strong correlation to radiographic knee alignment. Intra- and interrater reliability were excellent. The normative mean was approximately 7°. In summary, inclinometer-based frontal tibial orientation is a valid and reliable clinical measure of frontal plane knee alignment.