ArticleBMC sports science, medicine & rehabilitation2020
Recovery of preoperative absolute knee extension and flexion strength after ACL reconstruction.
Article in BMC sports science, medicine & rehabilitation, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.
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Who cites it
13 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Kinesiophobia, Knee Self-Efficacy, and Fear Avoidance Beliefs in People with ACL Injury: A Systematic Review and Meta-Analysis.Sports medicine (Auckland, N.Z.) · 2022Pooled it
- Rehabilitation alone after anterior cruciate ligament injury yields greater limb symmetry but lower knee related self-efficacy without limiting return to preinjury activity level.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
- Higher isokinetic quadriceps peak force is associated with a patient-acceptable symptom-state 1 and 3 years after ACL reconstruction.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
- Persistent isokinetic knee flexion strength deficits at the time of return to sport are not associated with a second ACL injury.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 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
- Effects of Blood Flow Restriction Training in Patients before and after Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-Analysis.Healthcare (Basel, Switzerland) · 2024Review
- Relationship between hamstring strength and hop performance at 8 and 12 months after ACL reconstruction with hamstring tendon autografts.BMC sports science, medicine & rehabilitation · 2024Article
- No Association Between Hamstrings-to-Quadriceps Strength Ratio and Second ACL Injuries After Accounting for Prognostic Factors: A Cohort Study of 574 Patients After ACL-Reconstruction.Sports medicine - open · 2024Article
- A comparison between physical therapy clinics with high and low rehabilitation volumes of patients with ACL reconstruction.Journal of orthopaedic surgery and research · 2023Article
- Effect of Quadriceps and Hamstring Strength Relative to Body Weight on Risk of a Second ACL Injury: A Cohort Study of 835 Patients Who Returned to Sport After ACL Reconstruction.Orthopaedic journal of sports medicine · 2023Article
- No Effect of Return to Sport Test Batteries with and without Psychological PROs on the Risk of a Second ACL Injury: A Critical Assessment of Four Different Test Batteries.International journal of sports physical therapy · 2023Article
- Effect of Low-Load Blood Flow Restriction Training After Anterior Cruciate Ligament Reconstruction: A Systematic Review.International journal of sports physical therapy · 2022Article
- Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe recovery of muscle function after an Anterior Cruciate Ligament (ACL) reconstruction is most commonly reported as limb-to-limb differences using the Limb Symmetry Index (LSI), which is not free from limitations. The purpose of this study was to compare the proportion of patients who recover their Preoperative Absolute Muscle Strength (PAMS) 8 and 12 months after ACL reconstruction with the proportion of patients who recover their symmetrical knee strength. A secondary aim was to assess the relationship between psychological Patient-Reported Outcomes (PROs) and recovering PAMS at 8 and 12 months after ACL reconstruction and rehabilitation.
methodPreoperative, 8- and 12-month results from quadriceps and hamstring strength tests and PROs for 117 patients were extracted from a rehabilitation registry. Individual preoperative peak torques from strength tests were compared with results from the 8- and 12-month follow-ups respectively. Patients were defined as having recovered their PAMS upon reaching 90% of their preoperative peak torque for both quadriceps and hamstring strength. Patients were defined as having recovered their LSI upon reaching a value ≥90% when comparing the results for their injured knee with those of their healthy knee. Correlations between the recovery of PAMS and PROs at 8 and 12 months were analyzed.
resultsThere was no difference in the proportion of patients who recovered their PAMS compared with patients who recovered their LSI. In all, 30% and 32% of the patients who recovered their LSI had not recovered their PAMS at 8 months and 12 months respectively. In the patients who had recovered their PAMS, 24% and 31% had not recovered their symmetrical LSI at 8 months and 12 months respectively. There was no significant correlation between the recovery of PAMS and psychological PROs.
conclusionThe use of both PAMS and LSI provides more detailed information on the recovery of muscle strength after ACL reconstruction. The recovery of PAMS was not correlated with psychological traits, which implies that both PROs and PAMS are important when evaluating patients after ACL reconstruction.
trial registrationThis trial was not registered.
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