ArticleScandinavian journal of medicine & science in sports2026
Exploring Sprint Kinematics in American Football Athletes After Anterior Cruciate Ligament Reconstruction.
Article in Scandinavian journal of medicine & science in sports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
2 citing papers in PubMed.
- Task-Specific Rescue Loading Redistributes Lower Limb Joint Work During Simulated Sprinting Across Fatigue States in Firefighters.Life (Basel, Switzerland) · 2026Article
- Exploring Sprint Kinematics in American Football Athletes After Anterior Cruciate Ligament Reconstruction.Scandinavian journal of medicine & science in sports · 2026Article
Corrections and comments
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Authors and funding
8 authors.
Funding
Abstract
The purpose of this study was to compare stance time and knee joint kinematics between limbs during sprinting in Division-1 collegiate American football athletes with a history of anterior cruciate ligament reconstruction (ACLR). This secondary analysis used data from an ongoing multicenter prospective cohort study of NCAA Division-1 American football athletes. Sprint biomechanics were collected using wearable inertial measurement units during on-field, maximal effort overground sprints. Knee kinematic variables of interest included stance time, knee flexion angle at initial contact, peak knee flexion angle, and knee flexion excursion during the stance phase from 2 to 5 strides near peak sprinting speed. Linear mixed effects models were used to evaluate the main effects of limb (involved vs. uninvolved), time from surgery, and their interaction on variables of interest, adjusted for peak sprint speed. Twenty male athletes (mean age: 21.2 ± 1.3 years; time from surgery: 28.0 ± 18.5 months) were fully participating in American football without limitations at the time of testing and met inclusion criteria. No significant limb × time interactions (p = 0.3-0.60) or main effects of limb (p = 0.23-0.84) or time (p = 0.08-0.84) were observed for any of our variables of interest. Division-1 American football athletes approximately 2 years post-ACLR did not demonstrate asymmetrical knee joint kinematics or stance time during sprinting. While gait asymmetries are commonly observed after ACLR during submaximal walking and running, these differences may diminish at high effort levels required during sprinting. IMU-based methods provide a clinically feasible approach for assessing on-field sprint biomechanics in athletes after ACLR.
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Registered trials
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