ArticleMedicine and science in sports and exercise2025
Influence of Running Speed and Time Postoperatively on Lower Extremity Work in Collegiate Athletes after Anterior Cruciate Ligament Reconstruction.
Article in Medicine and science in sports and exercise, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Changes in Muscle Volume Asymmetries Among Lower Extremity Muscles From Baseline Through 12 Months After Anterior Cruciate Ligament Reconstruction With Quadriceps Tendon Autograft.Orthopaedic journal of sports medicine · 2026Article
- Exploring Sprint Kinematics in American Football Athletes After Anterior Cruciate Ligament Reconstruction.Scandinavian journal of medicine & science in sports · 2026Article
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Authors and funding
5 authors.
Funding
Abstract
purposeFollowing anterior cruciate ligament reconstruction (ACLR), individuals present with significant and persistent deficits in surgical knee biomechanics during running. Little is known regarding the role of the hip and ankle in compensating for these knee-specific deficits. The purpose of this study was to characterize how limb (surgical and nonsurgical), time postoperatively (3.5-7 months [EARLY], 8-13 months [LATE]), and running speed influence lower extremity joint-specific and total work during running post-ACLR.
methodsFifty-six Division I collegiate athletes post-ACLR (EARLY: n = 41; LATE: n = 42; both: n = 27) completed running analyses at 2.68, 2.95, 3.35, 3.80, and 4.47 m·s -1 or up to their maximum comfortable speed. Linear mixed effects models assessed the influence of limb, speed, time post-ACLR, and their interactions on hip, knee, ankle, and total negative work and positive work.
resultsSurgical limb hip positive work was greater (0.044 J·kg -1 [95% CI = 0.015-0.074], P < 0.001) than the nonsurgical limb EARLY. Surgical limb ankle negative (-0.054 J·kg -1 [-0.093 to -0.015], P = 0.003) and positive work (-0.115 J·kg -1 [-0.168 to -0.063], P < 0.001) were less than the nonsurgical limb EARLY. Surgical limb knee negative (EARLY: -0.339 J·kg -1 [-0.382 to -0.296], P < 0.001; LATE: -0.222 J·kg -1 [-0.265 to -0.180], P < 0.001) and positive work (EARLY: -0.214 J·kg -1 [-0.246 to -0.182], P < 0.001; LATE: -0.142 J·kg -1 [-0.174 to -0.110], P < 0.001) were less than the nonsurgical limb. Total negative work and positive work followed the same pattern as the knee.
conclusionsAthletes post-ACLR exhibited greater hip positive work and lesser ankle positive work and negative work during running of the surgical limb EARLY, which resolved LATE. Both knee and total negative work and positive work of the surgical limb were substantially less than the nonsurgical limb, which improved from EARLY to LATE, but between-limb asymmetries remained.
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