Trial reportKnee surgery, sports traumatology, arthroscopy : official journal of the ESSKA2012
Variability in leg muscle power and hop performance after anterior cruciate ligament reconstruction.
Trial report in Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02760589 (Clinical Evaluation After Anterior Cruciate Ligament Tears), which is not on this map. Cited by 90 papers, 5 of them syntheses that pooled it.
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.
Clinical Evaluation After Anterior Cruciate Ligament Tears (Internal Brace Technique vs. ACL Reconstruction vs. Conservative Treatment) With Special Regard to Magnetic Resonance Imaging and Functional Performance
Who cites it
90 citing papers in PubMed, 5 syntheses or guidelines pooled it.
- Hop to It! A Systematic Review and Longitudinal Meta-analysis of Hop Performance After ACL Reconstruction.Sports medicine (Auckland, N.Z.) · 2025Pooled it
- Knee muscle strength after quadriceps tendon autograft anterior cruciate ligament reconstruction: systematic review and meta-analysis.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2021Pooled it
- What is the Evidence for and Validity of Return-to-Sport Testing after Anterior Cruciate Ligament Reconstruction Surgery? A Systematic Review and Meta-Analysis.Sports medicine (Auckland, N.Z.) · 2019Pooled it
- Documentation of strength training for research purposes after ACL reconstruction.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2013Pooled it
- Test Batteries After Primary Anterior Cruciate Ligament Reconstruction: A Systematic Review.Sports healthPooled it
- Functional outcomes of accelerated rehabilitation protocol for anterior cruciate ligament reconstruction in amateur athletes: a randomized clinical trial.Journal of rehabilitation medicine · 2024Trial
- Hop tests can result in higher limb symmetry index values than isokinetic strength and leg press tests in patients following ACL reconstruction.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2020Trial
- The effects of high-intensity versus low-intensity resistance training on leg extensor power and recovery of knee function after ACL-reconstruction.BioMed research international · 2014Trial
- Significant variability in limb symmetry across four different knee flexion strength tests after anterior cruciate ligament reconstruction.Journal of experimental orthopaedics · 2026Article
- Evaluating kinetic symmetry during loaded and unloaded jumping across multiple rehabilitation phases in ACLR patients.BMC musculoskeletal disorders · 2026Article
- Return to sport assessment following isolated anterior cruciate ligament reconstruction - 82 consecutive cases.Frontiers in sports and active living · 2026Article
- A Guideline for Validated Return-to-Sport Testing in Everyday Clinical Practice: A Focused Review on the Validity, Reliability, and Feasibility of Tests Estimating the Risk of Reinjury After ACL Reconstruction.Orthopaedic journal of sports medicine · 2025Article
- Questioning the rules of engagement: a critical analysis of the use of limb symmetry index for safe return to sport after anterior cruciate ligament reconstruction.British journal of sports medicine · 2025Article
- Sport-specific training and return to sport after ACL reconstruction in elite athletes: a narrative review.Annals of joint · 2025Review
- Reliability and Validity of Temporal Parameters during the Side Hop Test in Patients after Anterior Cruciate Ligament Reconstruction.Journal of clinical medicine · 2024Article
- Evaluation of Strength and Functional Ability of Soccer Players Two Years After Anterior Cruciate Ligament Reconstruction: A Cross-sectional Study.Journal of musculoskeletal & neuronal interactions · 2024Article
- Neural functions vary by return-to-sport status in participants with anterior cruciate ligament reconstruction: a retrospective cohort study using sub-bands of resting-state functional magnetic resonance.Frontiers in human neuroscience · 2024Article
- Assessing the Relationship of Psychological Sport Readiness, Single-leg Vertical Jump, and Non-Sagittal Single-Leg Hops to Quadriceps Strength After Anterior Cruciate Ligament Reconstruction.International journal of sports physical therapy · 2024Article
- Muscle Strength and Efficiency of Muscle Activities Recovery Using Single-Joint Type Hybrid Assistive Limb in Knee Rehabilitation after Anterior Cruciate Ligament Reconstruction.Journal of clinical medicine · 2023Article
- Relationships between Jumping Performance and Psychological Readiness to Return to Sport 6 Months Following Anterior Cruciate Ligament Reconstruction: A Cross-Sectional Study.Journal of clinical medicine · 2023Article
30 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe purpose of this prospective study was to describe the variability in leg muscle power and hop performance up to 2 years among patients following ACL reconstruction and specifically to illustrate the effects of various criteria for an acceptable level of muscle function.
methodsEighty-two patients (56 men and 26 women)with a mean age of 28 years, who underwent ACL reconstruction using either hamstring tendons (n = 46) or a patellar tendon (n = 36), were assessed pre-operatively and 3, 6, 12 and 24 months post-surgery with a battery of three lower extremity muscle power tests and a battery of three hop tests.
resultsLeg symmetry index (LSI) values at group level ranged between 73 and 100% at all follow-ups. When the tests were evaluated individually, patients reached an average LSI of ≥ 90% at 24 months. The success rate at 24 months for the muscle power test battery, that is,patients with an LSI of ≥ 90% in all three tests, was 48 and 44% for the hop test battery. The success rate at 24 months for both test batteries on all six muscle function tests was 22%. The criterion of an LSI of ≥ 80% resulted in 53% of the patients having an acceptable level on all six tests,while with a criterion of an LSI of ≥ 100%, none of the patients reached an acceptable level.
conclusionAt group level and in single muscle function tests, the muscle function outcome 1 and 2 years after ACL reconstruction is satisfactory in the present study and on a par with the results presented in the literature. However,when using more demanding criteria for a successful muscle function outcome, using batteries of tests or increasing the acceptable LSI level from ≥ 90% to ≥ 95%or ≥ 100%, the results are considered to be poor. It is suggested that this should be taken into consideration when presenting results after ACL rehabilitation, deciding on the criteria for a safe return to sports, or designing rehabilitation programmes after ACL reconstruction. LEVEL OF EVIDENCE: Prognostic prospective cohort study, Level I.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.