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. 2003 Mar;38(1):34-43.

Influences of Clinician Technique on Performance and Interpretation of the Lachman Test

Wendy L. Hurley  1 , D Thompson McGuire
Affiliations

Influences of Clinician Technique on Performance and Interpretation of the Lachman Test

Wendy L. Hurley et al. J Athl Train. 2003 Mar.

Abstract

OBJECTIVE: To examine the influences of clinician technique on performance and interpretation of the Lachman test. DESIGN AND SETTING: Blinded, controlled, and randomized-block design clinical study conducted in an athletic training laboratory classroom. SUBJECTS: Twenty-two certified athletic trainer clinicians and 12 model patients. MEASUREMENTS: We used video analyses of 3-dimensional kinematics to identify variations in clinician technique. Each clinician's technique was classified according to the demonstrated grip configuration and test style. RESULTS: Clinician grip configuration was found to relate to performance and interpretation of the Lachman test. Clinicians demonstrating proximal "tibia-hand" placement were more likely to correctly perform and interpret the Lachman test than clinicians demonstrating distal tibia-hand placement. CONCLUSIONS: Clinicians should use the correct techniques when attempting to evaluate and interpret athletic injuries.

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Figures

Figure 1
Figure 1
KT1000 knee ligament arthrometer. (Photograph courtesy of MEDmetric Corp, San Diego, CA.)
Figure 2
Figure 2
Video camera setup.
Figure 3
Figure 3
Grip configuration A.
Figure 4
Figure 4
Grip configuration B.
See this image and copyright information in PMC

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