Abstract
ObjectivesThis study sought to determine if there were significant trends in lower extremity movement quality, as assessed by the Landing Error Scoring System (LESS) scores and plane-specific LESS subscales, across in 12 recent cohorts of incoming USMA cadets. Designprospective cohort study. SettingUnited States Military Academy. Participants7,591. Main outcome measuresLanding Error Scoring System (LESS) scores, adjusted for sex and ACL injury history. ResultsStatistically significant inverse trends were found between total LESS score and year (p < 0.01) and sagittal plane subscale and year (p < 0.01). A statistically significant direct trend was found for the frontal/transverse plane subscale and year (p < 0.01). However, each of these trends had a small associated effect size, and none were considered clinically meaningful. ConclusionsThere were no meaningful changes in lower extremity movement quality in incoming US Military Academy cadets between 2005 and 2017.
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