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The relationship between clinical judgments of anterior knee laxity and instrumented measurement of anterior tibial translation is unclear.
To examine the relationship between certified athletic trainers’ grading of anterior knee laxity and instrumented measurements of anterior tibial translation.
Randomized, blinded, clinical assessment.
Model patients receiving evaluation of anterior knee laxity.
Twelve model patients were evaluated using a MEDmetric® KT1000™ knee ligament Arthrometer® to establish instrumented measurements of anterior translation values at the tibio-femoral joint. Twenty-two certified athletic trainers were provided with operational definitions of potential laxity grades and examined the model patients to make judgments of anterior knee laxity.
Main Outcome Measures:
Correlation between clinical judgments and instrumented measurements of anterior tibial translation.
Clinical judgments and instrumented measurements were mutually independent.
Anterior tibial translation grading by certified athletic trainers should be interpreted with caution during clinical decision-making.
Wendy Hurley is with the Kinesiology Department at SUNY Cortland. E-mail: email@example.com. Craig Denegar is with the Department of Orthopedics and W.E. Buckley is with the Department of Kinesiology, both at Penn State University in State College, PA.