scholarly journals Confidence varies more than time during a change-of-direction task in patients following unilateral ACL reconstruction (180)

2021 ◽  
Vol 9 (10_suppl5) ◽  
pp. 2325967121S0029
Author(s):  
Daniel Ogborn ◽  
Brittany Bruinooge ◽  
Jarret Woodmass ◽  
Devin Lemmex ◽  
Gregory Stranges ◽  
...  
Keyword(s):  
Acl Reconstruction ◽  
Cruciate Ligament ◽  
Dynamic Performance ◽  
Return To Sport ◽  
Quadriceps Tendon ◽  
Change Of Direction ◽  
Hop Tests ◽  
Comparable Performance ◽  
Anterior Cruciate ◽  
Patient Confidence

Objectives: Psychological outcomes may be important for predicting readiness to return to sport and guiding appropriate treatment intervention during rehabilitation for patients following anterior cruciate ligament (ACL) reconstruction. Motor confidence can vary based on the context or task in which it is measured, and clinician perceptions of patient confidence may not accurately reflect patient confidence for a given athletic task. The purpose of this study was to: 1) determine how confidence varies between the affected and unaffected limb, 2) compare patient-rated confidence with a clinician’s perception of patient confidence during the completion of a change-of-direction (COD) test and 3) determine how performance varies between standard hop and change of direction tests completed at six months following ACL reconstruction. Methods: 46 patients (76.36 ± 11.82 kg, 176.2 ± 8.8 cm, 24.3 ± 7.2 yrs., 19/46 Female; Table 1) completed a functional assessment at six months following ACL reconstruction with a bone-patellar-tendon-bone (n=18), quadriceps tendon (n=13) or hamstring (n=15) graft. Functional testing included the single, triple and triple crossover hops for distance and the timed 505 change-of-direction (505) test. Patients rated their confidence during the 505 tests on a scale from “0”, representing no confidence, to “10”, or complete confidence in their ability to complete the task. A single clinician indicated their perception of the patient’s confidence on a 10 cm visual analog scale, with scores converted to a 0-10 scale for agreement analysis. Results: Patient (unaffected limb median 9 (range 6-10), affected limb median 7 (3-10), Z=-5.842, p<0.001,) and clinician-perceived confidence (unaffected median 8 (3-10), affected median 7 (3-9), Z=-3.52, p<0.001) were lower on the affected limb during the 505 task (Fig 2). There was no difference in median scores between clinician’s and patients rating the affected limb (Z=-0.681, p=0.496), whereas the clinician rated the unaffected limb lower (Z=-5.016, p<0.001; Fig 2). There was minimal to no agreement and correlation between patient and clinician-perceived confidence in either the affected (Κ = -0.090 (95%CI -0.196-0.016), p=0.170; Rs(44) = 0.173, p=0.251) or unaffected limb (Κ = -0.048 (95%CI -0.140-0.044), p=0.346; Rs(44) = 0.12, p=0.428) during the 505 test. Completion time did not differ whether the 180 pivot was performed on the affected or unaffected limb (3.2 ±0.5 s vs. 3.2 ±0.5 s, p=0.858), while large differences in performance in the single (138 ±39 cm vs. 103 ±42 cm, p<0.001), triple (451 ± 114 cm vs. 367 ± 116 cm, p<0.001) and triple crossover hop tests (403 ± 119 cm vs. 324 ± 116 cm, p<0.001) were observed (Fig 3A and B). Consequently there was a main effect of test (F(3,180) = 30.686, p<0.001) when comparing LSI indicating that the 505 LSI (100 ± 5%) was higher than for the three hop tests (73 ± 19%, p<0.001, 81 ± 13%, p<0.001, 80 ± 15%, p<0.001; Fig 4). Conclusions: Clinician’s perceptions of patient confidence may not accurately reflect patient confidence during the 505 test, although this requires validation with a larger population of clinicians over a greater variety of tasks. Both patients and a clinician report lower confidence in their reconstructed knee during the 505 test despite comparable performance between limbs. Measuring time alone during the 505 may not accurately reflect underlying performance impairments, and measures of confidence and consideration of movement strategies or compensations may be required, alongside additional tests of lower extremity dynamic performance. Further research is required to clarify the importance of task-specific motor confidence against measures of readiness (i.e., ACL-RSI) and in the context of facilitating safe return to sport following ACL reconstruction.

scholarly journals HOP TEST AS A TOOL FOR THE ASSESSMENT AND PREVENTION OF INJURIES IN FOOTBALLERS DURING PRESEASON

2018 ◽  
Vol 6 (6_suppl3) ◽  
pp. 2325967118S0004
Author(s):  
F García-Bol ◽  
V Posada-Franco ◽  
A Roldán-Valero ◽  
R Del Caño-Espinel
Keyword(s):  
Anterior Cruciate Ligament ◽  
Acl Reconstruction ◽  
Reference Values ◽  
Cruciate Ligament ◽  
Return To Sport ◽  
Performance Criteria ◽  
Return To Sports ◽  
Hop Tests ◽  
Hop Test ◽  
Anterior Cruciate

Hop Tests (unipodal horizontal jumps) have been recommended as one of the reliable assessment tests when allowing a return to competition for a sportsperson after an anterior cruciate ligament injury1,2,3,4. Currently, comparison is made of the results with the contralateral limb through the symmetry index, a method which might not provide sufficient security upon the return to competitive sport5. Hop tests can be used in preseason to gain reference values prior to a possible injury. The objective of this review is to analise the scientific literature such as the F-Marc6 (reference manual of FIFA) to confirm whether include said tests in preseason for football teams. A search was conducted in the Pubmed y Cochrane databases (17/04/17) with the search terms “Hop Test”, “Football”, “Soccer”, and “Preseason”. Articles in English and Spanish were both accepted. Articles excluded were those that did not make reference to the knee, to football, and those that did not conduct tests during preseason. From a total of 33 articles, 4 with these search criteria were included, 5 articles were added trough the bibliography of other studies, and the F-Marc manual was analised. 4 of the articles used the hop tests in preseason for some type of study, of which 3 were used as part of a prospective assessment for the season. On the other hand, the F-Marc does not consider Hop Tests as an assessment test. Hop tests were not found to be used in preseason as reference values prior to possible future injuries, data which could be beneficial for a safe return to sport. Harris J, Abrams G, Bach B, Williams D, Heidloff D, Bush-Joseph C, Verma N, Forsythe B, Cole B. Return to Sport After ACL Reconstruction. ORTHOPEDICS. 2014; 37: e103-e108. Barber-Westin SD, Noyes FR. Factors used to determine return to unrestricted sports activities after anterior cruciate ligament reconstruction. Arthroscopy. 2011 Dec;27(12):1697-705. Thomeé R, Kaplan Y, Kvist J, Myklebust G, Risberg MA, Theisen D, Tsepis E, Werner S, Wondrasch B, Witvrouw E. Muscle strength and hop performance criteria prior to return to sports after ACL reconstruction. Knee Surg Sports Traumatol Arthrosc. 2011 Nov;19(11):1798-805. Bolgla LA, Keskula DR. Reliability of lower extremity functional performance tests. J Orthop Sports Phys Ther. 1997 Sep;26(3):138-42. Wellsandt E, Failla MJ, Snyder-Mackler L. Limb Symmetry Indexes Can Overestimate Knee Function After Anterior Cruciate Ligament Injury. J Orthop Sports Phys Ther. 2017 Mar 29:1-18. F-MARC. Football Medicine Manual. 2nd Edition. Available from: http://f-marc.com . 2017.

Outcomes of Quadriceps Tendon With Patellar Bone Block Anterior Cruciate Ligament Reconstruction in Adolescent Patients With a Minimum 2-Year Follow-up

2019 ◽  
Vol 48 (1) ◽  
pp. 93-98 ◽  
Author(s):  
Alexia G. Gagliardi ◽  
Patrick M. Carry ◽  
Harin B. Parikh ◽  
Jay C. Albright
Keyword(s):  
Acl Reconstruction ◽  
Graft Failure ◽  
Cruciate Ligament ◽  
Return To Sport ◽  
Quadriceps Tendon ◽  
Acl Injuries ◽  
Patient Reported ◽  
Adolescent Patients ◽  
Anterior Cruciate

Background: The incidence of anterior cruciate ligament (ACL) injury in the adolescent population is increasing. The quadriceps tendon–patellar bone autograft (QPA) has been established as a reliable graft choice for ACL reconstruction in the adult population. Purpose: To investigate graft failure, ability to return to sport, patient-reported functional outcomes, joint laxity, and subsequent injury among adolescent patients >2 years after primary ACL reconstruction with the QPA. Study Design: Case series; Level of evidence, 4. Methods: Consecutive patients who underwent QPA ACL reconstruction performed by a single surgeon were identified from an existing database. Information available in the database included demographics, concomitant/subsequent injuries, surgical procedures, graft failure, return to sport, and Lachman examination collected by medical record review. Pediatric International Knee Documentation Committee (Pedi-IKDC) and Lysholm scores were collected by telephone or during a clinic visit >2 years postoperatively. Results: The final cohort included 81 of 104 consecutive adolescent patients aged 10 to 18 years (mean ± SD, 15.9 ± 1.7 years at the time of surgery) for whom follow-up information was collected at >2 years after surgery. The cumulative incidence of graft failure within the 36-month follow-up period was 1.2% (95% CI, 0.1%-11.4%). The rate of ipsilateral non-ACL injuries was similar (1.2%; 95% CI, 0.2%-7.6%). Contralateral ACL and non-ACL injuries requiring surgical intervention were documented in 9.8% (95% CI, 4.9%-19.5%). The median Pedi-IKDC score was 94 (interquartile range, 89-98). The median Lysholm score was 99.5 (interquartile range, 89.0-100.0). At 36 months after surgery, 87.9% (95% CI, 81.4%-94.9%) of individuals had returned to play. Conclusion: The quadriceps tendon–patellar autograft is a novel graft that demonstrates excellent stability and favorable patient-reported outcomes. Based on these results, the QPA is a reliable choice for primary ACL reconstruction in adolescent patients.

Hop Performance After Return to Sport in Anterior Cruciate Ligament-Reconstructed Gaelic Football and Hurling Athletes

2020 ◽  
pp. 1-10
Author(s):  
Damien Murphy ◽  
Quinette A. Louw ◽  
Colum Moloney ◽  
Dominique Leibbrandt ◽  
Amanda M. Clifford
Keyword(s):  
Anterior Cruciate Ligament ◽  
Acl Reconstruction ◽  
Functional Performance ◽  
Cruciate Ligament ◽  
Return To Sport ◽  
Severe Injuries ◽  
Cross Sectional ◽  
Hop Tests ◽  
Hop Test ◽  
Anterior Cruciate

Purpose: Anterior cruciate ligament (ACL) injuries are among the most severe injuries in the Gaelic Athletic Association. Hop tests measure functional performance after ACL reconstruction as they replicate the key requirements for a match situation. However, research examining functional recovery of ACL-reconstructed Gaelic athletes is lacking. The objective of this study is to determine if athletes restore normal hop symmetry after ACL reconstruction and to examine if bilateral deficiencies persist in hop performance following return to sport. Methods: A cross-sectional design was used to evaluate hop performance of 30 ACL-reconstructed Gaelic athletes who had returned to competition and 30 uninjured controls in a battery of hop tests including a single, 6-m, triple, and triple-crossover hop test. Results: In each test, the mean symmetry score of the ACL reconstruction group was above the cutoff for normal performance of 90% adopted by this study (98%, 99%, 97%, and 99% for the single, 6-m, triple, and triple-crossover hop, respectively). No significant differences in absolute hop scores emerged between involved and control limbs, with the exception of the single-hop test where healthy dominant limbs hopped significantly further than ACL-reconstructed dominant limbs (P = .02). No significant deficits were identified on the noninvolved side. Conclusions: The majority of ACL-reconstructed Gaelic athletes demonstrate normal levels of hop symmetry after returning to competition. Suboptimal hop performance can persist on the involved side compared with control limbs. Targeted rehabilitation may be warranted after returning to competition to restore performance to levels of healthy uninjured athletes.

scholarly journals Hop Testing Provides a Reliable and Valid Outcome Measure During Rehabilitation After Anterior Cruciate Ligament Reconstruction

2007 ◽  
Vol 87 (3) ◽  
pp. 337-349 ◽  
Author(s):  
Andrea Reid ◽  
Trevor B Birmingham ◽  
Paul W Stratford ◽  
Greg K Alcock ◽  
J Robert Giffin
Keyword(s):  
Anterior Cruciate Ligament ◽  
Acl Reconstruction ◽  
Outcome Measure ◽  
Cruciate Ligament ◽  
Measurement Properties ◽  
Global Rating ◽  
Symmetry Index ◽  
Limb Symmetry Index ◽  
Hop Tests ◽  
Anterior Cruciate

Background and Purpose Although various hop tests have been proposed as performance-based outcome measures following anterior cruciate ligament (ACL) reconstruction, limited reports of their measurement properties exist. The purpose of this study was to investigate the reliability and longitudinal validity of data obtained from hop tests during rehabilitation after ACL reconstruction. Subjects Forty-two patients, 15 to 45 years of age, who had undergone ACL reconstruction participated in the study. Methods and Measures The study design was prospective and observational with repeated measures. The subjects performed a series of 4 hop tests on 3 separate occasions within the 16th week following surgery and on a fourth occasion 6 weeks later. The tests were a single hop for distance, a 6-m timed hop, a triple hop for distance, and crossover hops for distance. Performance on the ACL-reconstructed limb was expressed as a percentage of the performance on the nonoperative limb, termed the “limb symmetry index.” Subjects also completed the Lower Extremity Functional Scale and a global rating of change questionnaire. Results Intraclass correlation coefficients for limb symmetry index values ranged from .82 to .93. Standard errors of measurement were 3.04% to 5.59%. Minimal detectable changes, at the 90% confidence level, were 7.05% to 12.96%. Changes in hop test scores on the operative limb were statistically greater than changes on the nonoperative limb. Pearson correlations (r) between change in hop performances and self-reported measures ranged from .26 to .58. Discussion and Conclusion The results show that the described series of hop tests provide a reliable and valid performance-based outcome measure for patients undergoing rehabilitation following ACL reconstruction. These findings support the use and facilitate the interpretation of hop tests for research and clinical practice.

Timeline for Maximal Subjective Outcome Improvement After Anterior Cruciate Ligament Reconstruction

2018 ◽  
Vol 47 (10) ◽  
pp. 2501-2509 ◽  
Author(s):  
Avinesh Agarwalla ◽  
Richard N. Puzzitiello ◽  
Joseph N. Liu ◽  
Gregory L. Cvetanovich ◽  
Anirudh K. Gowd ◽  
...  
Keyword(s):  
Systematic Review ◽  
Anterior Cruciate Ligament ◽  
Acl Reconstruction ◽  
Clinical Significance ◽  
Cruciate Ligament ◽  
Return To Sport ◽  
Pubmed Database ◽  
Patient Reported ◽  
Clinically Significant ◽  
Anterior Cruciate

Background: Anterior cruciate ligament (ACL) tears are one of the most common traumatic knee injuries experienced by athletes. Return to sport is considered the pinnacle endpoint among patients receiving ACL reconstruction. However, at the time of return to sport, patients may not be participating at their previous levels of function, as defined by clinical metrics. Purpose: To establish when patients perceive maximal subjective medical improvement according to patient-reported outcome measures (PROMs). Study Design: Systematic review. Methods: A systematic review of the PubMed database was conducted to identify studies that reported sequential PROMs up to a minimum of 2 years after ACL reconstruction. Pooled analysis was conducted for PROMs at follow-up points of 3 months, 6 months, 1 year, and 2 years. Clinically significant improvement was determined between pairs of intervals with the minimal clinically important difference. Results: This review contains 30 studies including 2253 patients who underwent ACL reconstruction. Clinically significant improvement in the KOOS (Knee injury and Osteoarthritis Outcome Score) was seen up to 1 year after ACL reconstruction, but no clinical significance was noted from 1 to 2 years. Clinically significant improvement in the IKDC (International Knee Documentation Committee) and Lysholm questionnaires was seen up to 6 months postoperatively, but no clinical significance was noted beyond that. Conclusion: After ACL reconstruction, maximal subjective medical improvement is established 1 year postoperatively, with no further perceived clinical improvement beyond this time point according to current PROMs. The KOOS may be a more responsive metric to subjective improvements in this patient cohort than other patient-reported outcomes, such as the IKDC and Lysholm. Clinical Relevance: After ACL reconstruction, patients perceive interval subjective improvements until 1 year postoperatively.

scholarly journals The hybrid anterior cruciate ligament reconstruction surgical technique does permit an accelerated early functional recovery and return to sport.

2017 ◽  
Vol 5 (5_suppl5) ◽  
pp. 2325967117S0017
Author(s):  
Peter Annear ◽  
Ebert Jay
Keyword(s):  
Anterior Cruciate Ligament ◽  
Ligament Reconstruction ◽  
Cruciate Ligament ◽  
Return To Sport ◽  
Quadriceps Strength ◽  
Hamstring Graft ◽  
Cruciate Ligament Reconstruction ◽  
Hop Tests ◽  
Anterior Cruciate ◽  
Tegner Score

Objectives: A major reason for undergoing anterior cruciate ligament reconstruction (ACLR) for patients is to return to high demand activity and sport. Published literature supports a return to sport (RTS) at 6-12 months, though the recovery of lower limb strength and functional symmetry is critical and is linked with a patient’s ability to RTS, as well as reducing the incidence of secondary re-tear. This study aimed to compare clinical outcomes and RTS between patients undergoing ACLR utilizing a hamstring graft and those undergoing a hybrid technique which augments the hamstring graft with a synthetic LARS ligament. Methods: A non-randomized study design was used to compare clinical outcomes at 10-12 months post-surgery, in 82 patients undergoing conventional ACLR via a hamstring graft (HG) and 35 patients undergoing a hybrid hamstring/LARS graft (HLG). All patients were assessed using a range of patient-reported outcome (PRO) scores (IKDC, KOOS, Cinncinati, Lysholm, SF-36, Tegner, Noyes, Global Rating of Change – GRC). Limb symmetry indices (LSIs) presenting the operated limb as a percentage of the unaffected limb were calculated for several strength/functional assessments (peak isokinetic quadriceps and hamstring strength, the single, triple and triple crossover hop for distance, and the 6 m timed hop). Results: There were no group differences (p>0.05) in patient demographics and the majority of PROs. The HLG group perceived themselves to be significantly ‘more recovered’ (p=0.046) on the GRC scale (HLG = 3.2, HG = 2.2), and also reported a significantly greater (p=0.004) Tegner score (HLG = 7.2, HG = 5.9). For the HG group, 62% of patients had returned to Noyes Level 1 or 2 activities, versus 80% of the HLG group. For the Tegner score, 57% of patients reported a score >6, versus 77% of the HLG group. There were no significant differences (p>0.05) in LSIs between groups for the strength and functional hop tests. However, the HLG group demonstrated a mean LSI above 90% for all four hop tests, while all four were below 90% in the HG group. Both groups demonstrated mean hamstring strength LSIs above 90%, while the quadriceps strength LSI was 81.9% and 85.8% for the HG and HLG groups, respectively. Conclusion: Patients in the HLG group perceived themselves to be more recovered, and had returned to a higher level of activity/sport, compared with the HG group. While not significant, the HLG group did demonstrate more favorable functional hop and quadriceps strength LSIs, which has been linked with the ability to RTS and the incidence of ACL re-tear. A larger patient cohort and follow-up is required to observe long-term outcomes.

Low Rates of Return to Preinjury Sport After Bilateral Anterior Cruciate Ligament Reconstruction

2018 ◽  
Vol 47 (2) ◽  
pp. 334-338 ◽  
Author(s):  
Kate E. Webster ◽  
Julian A. Feller ◽  
Alexander J. Kimp ◽  
Timothy S. Whitehead
Keyword(s):  
Quality Of Life ◽  
Acl Reconstruction ◽  
Cruciate Ligament ◽  
Return To Sport ◽  
Rates Of Return ◽  
Acl Injuries ◽  
Reconstruction Surgery ◽  
Anterior Cruciate

Background: Patients with bilateral anterior cruciate ligament (ACL) injuries tend to report worse results in terms of knee function and quality of life as compared with those with unilateral injury. There are limited data regarding return to preinjury sport in this group. Purpose: To report return-to-sport rates for patients who had bilateral ACL reconstruction and to compare outcomes according to age and sex. Study Design: Case series; Level of evidence, 4. Methods: A total of 107 patients (62 male, 45 female) who underwent primary ACL reconstruction surgery to both knees completed a detailed sports activity survey at a mean 5-year follow-up (range, 2.5-10 years). Follow-up also included the International Knee Documentation Committee subjective form, Marx Activity Scale, and Knee injury and Osteoarthritis Outcome Score–Quality of Life subscale. Rates of return to preinjury levels of sport were calculated for the whole cohort, and for further analysis, the group was divided according to age (<25 vs ≥25 years), sex, and time between the reconstruction procedures (<3 vs ≥3 years). Results: The rate of return to preinjury sport after bilateral ACL reconstruction was 40% (95% CI, 31%-50%), as compared with an 83% (95% CI, 74%-88%) return rate after the first reconstruction procedure. Although not statistically significant, return rates were higher for male versus female patients (47% vs 31%) and older versus younger patients (45% vs 31%). Of those who returned to their preinjury levels of sport after the second reconstruction, 72% thought that they could perform as well as before their ACL injuries. In contrast, only 20% thought that they could perform as well if they returned to a lower level. Fear of reinjury was the most common reason cited for failure to return to sport after the second reconstruction. Patient-reported outcome scores were higher for those who returned to their preinjury levels of sport but did not differ for sex and age. Conclusion: Return-to-sport rates drop markedly after a second (contralateral) ACL reconstruction, with less than half of the investigated cohort returning to its preinjury level of sport. Return-to-sport outcomes are less than ideal for patients who have ACL reconstruction surgery to both knees.

Morphological Evaluation of the Quadriceps Tendon Using Preoperative Ultrasound in Anterior Cruciate Ligament Reconstruction

2021 ◽  
pp. 036354652110540
Author(s):  
Satoshi Takeuchi ◽  
Kevin J. Byrne ◽  
Ryo Kanto ◽  
Kentaro Onishi ◽  
Freddie H. Fu
Keyword(s):  
Anterior Cruciate Ligament ◽  
Acl Reconstruction ◽  
Cruciate Ligament ◽  
Quadriceps Tendon ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Cross Sectional ◽  
Preoperative Ultrasound ◽  
Anterior Cruciate ◽  
Superior Pole

Background: An evaluation of quadriceps tendon (QT) morphology preoperatively is an important step when selecting an individually appropriate autograft for anterior cruciate ligament (ACL) reconstruction. However, to our knowledge, there are no studies that have assessed the morphology of the entire QT in an ACL-injured knee preoperatively using ultrasound. Purpose: We aimed to investigate the morphological characteristics of the QT using preoperative ultrasound in ACL-injured knees. Study Design: Cross-sectional study; Level of evidence, 3. Methods: A total of 33 patients (mean age, 26.0 ± 11.5 years) with a diagnosed ACL tear undergoing primary ACL reconstruction were prospectively included. Using ultrasound, short-axis images of the QT were acquired in 10-mm increments from 30 to 100 mm proximal to the superior pole of the patella. The length of the QT was determined by 2 contiguous images that did and did not contain the rectus femoris muscle belly. The width of the superficial and narrowest parts of the QT, the thickness of the central and thickest parts of the QT, and the cross-sectional area at the central 10 mm of the superficial QT width were measured at each assessment location. The estimated intraoperative diameter of the QT autograft was calculated using a formula provided in a previous study. Results: There were no significant relationships between QT morphology and any of the demographic data collected. The length of the QT was less than 70 mm in 45.5% of patients (15/33). The width, thickness, cross-sectional area, and estimated intraoperative diameter of the QT autograft were significantly greater at 30 mm than at 70 mm proximal to the superior pole of the patella. Conclusion: Preoperative ultrasound may identify a QT that is too small for an all–soft tissue autograft in ACL reconstruction. Furthermore, harvesting a QT with a fixed width may result in autografts that are smaller proximally than they are distally. Assessing the morphology of the QT preoperatively using ultrasound may help surgeons to adequately reconstruct the native length and diameter of the ACL with a QT autograft.

How Is Psychological Outcome Related to Knee Function and Return to Sport Among Adolescent Athletes After Anterior Cruciate Ligament Reconstruction?

2019 ◽  
Vol 47 (7) ◽  
pp. 1567-1575 ◽  
Author(s):  
Susanne Beischer ◽  
Eric Hamrin Senorski ◽  
Christoffer Thomeé ◽  
Kristian Samuelsson ◽  
Roland Thomeé
Keyword(s):  
Anterior Cruciate Ligament ◽  
Acl Reconstruction ◽  
Self Efficacy ◽  
Muscle Function ◽  
Cruciate Ligament ◽  
Return To Sport ◽  
Adolescent Athletes ◽  
Psychological Outcome ◽  
Patient Reported ◽  
Anterior Cruciate

Background: Adult patients who succeed in returning to their preinjury levels of sport after anterior cruciate ligament (ACL) reconstruction have been characterized by a more positive psychological response. It is not known whether this relationship is valid for adolescent athletes. Purpose: To investigate psychological readiness to return to sport, knee-related self-efficacy, and motivation among adolescent (15-20 years old) and adult (21-30 years old) athletes after ACL reconstruction. A further aim was to compare athletes (15-30 years old) who had recovered their muscle function and returned to sport with athletes who had not. Study Design: Case-control study; Level of evidence, 3. Methods: Data were extracted from a rehabilitation-specific register 8 and 12 months after ACL reconstruction. Athletes previously involved in knee-strenuous sport who had undergone primary ACL reconstruction were included. Data comprised psychological patient-reported outcomes and results from 5 tests of muscle function. Comparisons were performed between age groups, between athletes who had and had not recovered their muscle function, and between patients who had returned to sport and not. Results: In all, 384 (50% females) and 271 athletes (52% females) were included at the 8- and 12- month follow-ups, respectively. Enhanced self-efficacy was reported at both follow-ups by adolescents and by athletes who had recovered their muscle function. Athletes who had recovered their muscle function reported higher ( P = .0007) motivation to achieve their goals. Subgroup analyses on patient sex revealed findings similar to those in the main analyses for females but not for males. Moreover, adolescent and adult athletes who had returned to sport reported significantly higher levels on the Knee Self-Efficacy Scale and the ACL–Return to Sport After Injury scale at both follow-ups. Conclusion: Adolescent athletes, especially females, perceived enhanced self-efficacy, had a higher return-to-sport rate, and were more motivated to reach their goals after ACL reconstruction compared with adults. Regardless of age, athletes who had returned to sport and athletes with more symmetrical muscle function had a stronger psychological profile.

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