Clinical knee examination is imperative for the prognosis, follow-up, and scientific comparison of anterior cruciate ligament surgery results. A new device, the Rolimeter knee tester was studied in this study with respect to inter- and intratester reliability. We found no significant difference in the intratester evaluation, and data were reliable between repeated measurements and between different testers with the same examination technique. The tester's experience seems to play a role using use the Rolimeter knee tester, but even an inexperienced tester can use it and obtain data that are very close to the data obtained by an experienced tester when the same technique is used. Furthermore, it was found that the manual examination of anterior translation also provides a reliable measurement, at least in the hand of experienced testers. Further advantages are that the Rolimeter knee tester is cheap, can be sterilized, and is simple to use.

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