scholarly journals 552 MUSCLE STRENGTH AND FUNCTIONAL PERFORMANCE IN PATIENTS WITH ANTERIOR CRUCIATE LIGAMENT INJURY TREATED WITH TRAINING AND SURGICAL RECONSTRUCTION OR TRAINING ONLY: A 2 TO 5-YEAR FOLLOW-UP

2008 ◽  
Vol 16 ◽  
pp. S234
Author(s):  
E. Ageberg ◽  
R. Thomeé ◽  
C. Neeter ◽  
K. Grävare-Silbernagel ◽  
E.M. Roos
Keyword(s):  
Anterior Cruciate Ligament ◽  
Muscle Strength ◽  
Anterior Cruciate Ligament Injury ◽  
Functional Performance ◽  
Cruciate Ligament ◽  
Surgical Reconstruction ◽  
Ligament Injury ◽  
Anterior Cruciate

Balance in Single-Limb Stance in Patients with Anterior Cruciate Ligament Injury

2005 ◽  
Vol 33 (10) ◽  
pp. 1527-1537 ◽  
Author(s):  
Eva Ageberg ◽  
David Roberts ◽  
Eva Holmström ◽  
Thomas Fridén
Keyword(s):  
Anterior Cruciate Ligament ◽  
Muscle Strength ◽  
Anterior Cruciate Ligament Injury ◽  
Cruciate Ligament ◽  
Knee Laxity ◽  
Ligament Injury ◽  
Average Speed ◽  
Anterior Knee Laxity ◽  
Anterior Cruciate ◽  
Low Amplitude

Background It has been shown previously that an anterior cruciate ligament injury may affect postural control, measured by balance in single-limb stance. To our knowledge, no studies have reported the influence of measures of impairment on postural control after such an injury. Purpose To assess the influence of knee laxity, proprioception, and muscle strength on balance in single-limb stance and to study the correlation between balance in single-limb stance and subjective estimation of extremity function. Study Design Cross-sectional study; Level of evidence, 3. Methods A total of 36 patients with a unilateral, nonoperated, nonacute anterior cruciate ligament injury were examined with regard to anterior knee laxity, proprioception, muscle strength, and stabilometry (amplitude and average speed of the center of pressure movements). Subjective estimation of extremity function was measured on a visual analog scale. Results The multiple regression analysis showed that high knee laxity values were associated with high amplitude values and low average speed. Poor proprioception and high muscle strength values were associated with low average speed among the women only. Low amplitude values correlated with better subjective function. Conclusion Anterior knee laxity, proprioception, and muscle strength seem to play a role in maintaining balance in single-limb stance. Patients with low amplitude values in stabilometry were those with better subjective function.

scholarly journals Evidence too weak to guide surgical treatment decisions for anterior cruciate ligament injury: a systematic review of the risk of new meniscal tears after anterior cruciate ligament injury

2020 ◽  
Vol 54 (9) ◽  
pp. 520-527 ◽  
Author(s):  
Guri Ranum Ekås ◽  
Clare L Ardern ◽  
Hege Grindem ◽  
Lars Engebretsen
Keyword(s):  
Systematic Review ◽  
Anterior Cruciate Ligament ◽  
Surgical Treatment ◽  
Anterior Cruciate Ligament Injury ◽  
Cruciate Ligament ◽  
Acl Injury ◽  
Ligament Injury ◽  
Meniscal Tears ◽  
Anterior Cruciate

ObjectiveTo investigate the risk of new meniscal tears after treatment for anterior cruciate ligament (ACL) injury, in children and adults with and without ACL reconstruction.DesignPrognosis systematic review (PROSPERO registration number CRD42016036788).MethodsWe searched Embase, Ovid Medline, Cochrane, CINAHL, SPORTDiscus, PEDro and Google Scholar from inception to 3rd May 2018. Eligible articles included patients with ACL injury (diagnosis confirmed by MRI and/or diagnostic arthroscopy), reported the number of meniscal tears at the time of ACL injury diagnosis/start of treatment and reported the number of new meniscal tears that subsequently occurred. Articles with fewer than 20 patients at follow-up, and articles limited to ACL revision surgery or multi-ligament knee injuries were excluded. Two independent reviewers screened articles, assessed eligibility, assessed risk of bias and extracted data. We judged the certainty of evidence using the Grading of Recommendations Assessment Development and Evaluation (GRADE) working group methodology.ResultsOf 75 studies included in the systematic review, 54 studies with 9624 patients and 501 new meniscal tears were appropriate for quantitative analysis. Heterogeneity precluded data pooling. The risk of new meniscal tears was 0%–21% when follow-up was <2 years, 0%–29% when follow-up was 2 to 5 years, 5%–52% when follow-up was 5 to 10 years and 4%–31% when follow-up was longer than 10 years. The proportion of studies with high risk of selection, misclassification and detection bias was 84%, 69% and 68%, respectively. Certainty of evidence was very low.ConclusionNew meniscal tears occurred in 0%–52% of patients between 4 months and 20 years (mean 4.9±4.4 years) following treatment for ACL injury. The certainty of evidence was too low to guide surgical treatment decisions. This review cannot conclude that the incidence of new meniscal tears is lower if ACL injury is treated with surgery compared with treatment with rehabilitation only.

Longitudinal Effects of Anterior Cruciate Ligament Injury and Patellar Tendon Autograft Reconstruction on Neuromuscular Performance

2000 ◽  
Vol 28 (3) ◽  
pp. 336-344 ◽  
Author(s):  
Edward M. Wojtys ◽  
Laura J. Huston
Keyword(s):  
Anterior Cruciate Ligament ◽  
Muscle Strength ◽  
Anterior Cruciate Ligament Reconstruction ◽  
Anterior Cruciate Ligament Injury ◽  
Ligament Reconstruction ◽  
Cruciate Ligament ◽  
Neuromuscular Function ◽  
Ligament Injury ◽  
Cruciate Ligament Reconstruction ◽  
Anterior Cruciate

We examined persons after anterior cruciate ligament injury and for 1.5 years after anterior cruciate ligament reconstruction to analyze changes in anterior knee laxity, lower extremity muscle strength, endurance, and several parameters of neuromuscular function. Sixteen men and nine women (average age, 23.8 years) were evaluated preoperatively, then underwent intraarticular autogenous patellar tendon anterior cruciate ligament reconstruction by the same surgeon and were evaluated at 6, 12, and 18 months postoperatively. Muscle strength was measured isokinetically and neuromuscular function was quantified with simultaneous anterior tibial translation and surface electromyography tests. Forty subjects (26 men and 14 women; average age, 23.5 years) with no known knee abnormalities served as the control group. Subjective questionnaire results showed that by 18 months postoperatively, 20 subjects (80%) believed they had regained their preoperative levels of function. Unfortunately, muscle function in most subjects had not returned to normal. At 12 to 18 months postoperatively, when knee rehabilitation was terminated, significant deficiencies in muscle performance persisted in most patients. Interestingly, in this group of stable knees, quadriceps and hamstring muscle reaction times appeared to be the best objective indicators of subjective knee function.

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