{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,6,24]],"date-time":"2024-06-24T11:22:21Z","timestamp":1719228141681},"reference-count":68,"publisher":"Human Kinetics","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2020,2,1]]},"abstract":"<jats:p><jats:italic><jats:bold>Background<\/jats:bold>:<\/jats:italic> Knee disorders prevalence is estimated at more than 50% in a lifetime. There are over 250,000 anterior cruciate ligament (ACL) injuries per year in the United States. There are over 175,000 ACL reconstructions annually. This study was a double-blinded design to establish the reliability and validity of a new orthopedic device to measure linear translation of the tibia on the femur (ACL testing). <jats:italic><jats:bold>Methods<\/jats:bold>:<\/jats:italic> A Zeiss Smartzoom microscope was used as the gold standard to assess the ability of the Mobil-Aider<jats:sup>\u2122<\/jats:sup> to measure linear translation. Sixty blinded measures were taken with each of 6 different devices. <jats:italic><jats:bold>Results<\/jats:bold>:<\/jats:italic> Both the intraclass correlation and the Pearson correlation were .986. The Cronbach alpha reliability analysis was 0.992. Independent 1-sample <jats:italic>t<\/jats:italic> tests were performed on the differences between the Mobil-Aider<jats:sup>\u2122<\/jats:sup> and Zeiss values, and were not found to be significant (<jats:italic>P<\/jats:italic>\u2009=\u2009.42); that is, they were the same. Bland\u2013Altman plot and a linear regression revealed no propositional bias. Finally, with 360 measures over 6 devices, the power of this study was calculated to be 100%. <jats:italic><jats:bold>Discussion<\/jats:bold>:<\/jats:italic> This data are the first step in establishing reliability and concurrent validity of a new device. As a result of the current data, the Mobil-Aider<jats:sup>\u2122<\/jats:sup> device is deemed a promising orthopedic tool for use in assessing the laxity of the ACL. Additional testing needs to be performed on both healthy and injured knees. <jats:italic><jats:bold>Conclusions<\/jats:bold>:<\/jats:italic> There is potential for the Mobil-Aider<jats:sup>\u2122<\/jats:sup> to contribute to the assessment of ACL injuries, but additional human testing is needed.<\/jats:p>","DOI":"10.1123\/jsr.2018-0472","type":"journal-article","created":{"date-parts":[[2019,5,16]],"date-time":"2019-05-16T13:25:20Z","timestamp":1558013120000},"page":"257-261","source":"Crossref","is-referenced-by-count":3,"title":["Reliability and Validity of an Innovative Device for ACL Testing: The Mobil-Aider\u2122"],"prefix":"10.1123","volume":"29","author":[{"given":"Dawn T.","family":"Gulick","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"100","reference":[{"key":"ref371","first-page":"763","article-title":"Pivot shift: a clinical sign of symptomatic anterior cruciate 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