Journal of Sport Rehabilitation最新文献

{"title":"The Test-Retest Association Between Perceived Ankle Instability and Lower-Limb Proprioception Measures.","authors":"Jeremy Witchalls, Michal Shenhar, Gordon Waddington, Nili Steinberg","doi":"10.1123/jsr.2025-0308","DOIUrl":"https://doi.org/10.1123/jsr.2025-0308","url":null,"abstract":"<p><strong>Context: </strong>To examine the association between unilateral and bilateral perceived ankle instability and proprioceptive acuity and the stability of the measures over a time period of 1 week.</p><p><strong>Design: </strong>Repeated-measures study.</p><p><strong>Methods: </strong>We categorized 134 physical education students into \"no,\" \"unilateral,\" or \"bilateral\" perceived ankle instability groups based on Cumberland Ankle Instability Tool (CAIT) scores and assessed ankle proprioception using Active Movement Extent Discrimination Assessment for each leg at 2 time points (T1 and T2) 1 week apart. The lower limbs for each participant were identified as \"more unstable\" for the lower CAIT score and \"less unstable\" for the leg with the higher CAIT score.</p><p><strong>Results: </strong>Two-way analysis of variance showed significant main instability effect (P < .001), with the bilateral group demonstrating the lowest proprioceptive acuity overall. In the more unstable leg, the no instability group scored significantly higher than the unilateral instability (mean difference [MD]: 0.043; 95% CI, 0.015 to 0.071) and bilateral instability groups (MD: 0.059; 95% CI, 0.024 to 0.094). In the less unstable leg, the no instability group performed better than the bilateral instability group (MD: 0.057; 95% CI, 0.022 to 0.091), whereas there was no significant difference versus the unilateral instability group (MD: 0.019; 95% CI, -0.009 to 0.047). A significant main time effect (P = .019 less unstable leg; P = .034 more unstable leg) showed a mean improvement of 0.015 in both limbs upon retesting.</p><p><strong>Conclusion: </strong>We found a significant association between bilateral perceived ankle instability and reduced proprioceptive acuity in both legs. The lack of variance between the less unstable and the more unstable legs in either group suggests that these deficits are not localized to a peripheral joint. Consequently, rehabilitation strategies should consider a holistic, bilateral approach, addressing both ankles regardless of which side is perceived as unstable.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-6"},"PeriodicalIF":1.7,"publicationDate":"2026-07-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148473920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Early Sport Specialization is Associated With an Increased Odds of Chronic Injury in College Students.","authors":"Timothy J Zinke, Scott E Ross, Pam K Brown, Carl G Mattacola","doi":"10.1123/jsr.2025-0425","DOIUrl":"https://doi.org/10.1123/jsr.2025-0425","url":null,"abstract":"<p><strong>Context: </strong>Early sport specialization is associated with increased risk of injury and sport attrition. There may be a relationship between early sport specialization and chronic injuries, and these injuries may in turn impact future sport participation. Our aim was to investigate the relationship between the degree of early specialization and the odds of reporting a chronic injury. A second aim was to explore the influence that chronic injuries had on an athlete's decision to discontinue participation in their sport.</p><p><strong>Study design: </strong>Cross-sectional study.</p><p><strong>Methods: </strong>Retrospective data was obtained from a questionnair e given to 322 college students currently enrolled in their institution's general education wellness course. The degree of early sport specialization for each participant was calculated using a 4-point specialization scale. Odds ratios with 95% CIs were calculated for chronic injury's association with early sport specialization. Frequency and weighted average rank of options were used to determine which factors had the most influence on specialization and discontinuation decisions.</p><p><strong>Results: </strong>Of the 322 athletes surveyed, degree of early sport specialization was determined for 214 (66%). When compared with the referent (\"No early sport specialization\"), all degrees of early sport specialization (low, moderate, and high) had significantly higher odds (2.32; 95% CI, 1.07-5.04; 3.64; 95% CI, 1.74-7.64; and 4.86; 95% CI, 2.14-11.01, respectively) of reporting a chronic injury. \"Personal enjoyment\" was the most common reason given for choosing to specialize in a sport (n = 198, average rank = 1.5). \"Loss of motivation or enjoyment\" was the most common reason for quitting a sport (n = 98, average rank = 1.62).</p><p><strong>Conclusions: </strong>Early sport specialization is associated with significantly greater odds of reporting a chronic injury. Factors pertaining to personal enjoyment are the primary drivers of both the decision to specialize and the decision to discontinue a sport.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-10"},"PeriodicalIF":1.7,"publicationDate":"2026-07-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148473894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Optimizing Shoulder Exercise Selection: Arm Rotation Versus Abduction Exercises for Increasing Acromiohumeral Distance in Secondary Subacromial Impingement-A Randomized Controlled Trial.","authors":"Cyrus Taghizadeh Delkhoush, Parisa Arzani, Fatemeh Paknazar, Mohsen Pakdaman, Ziaeddin Safavi Farokhi","doi":"10.1123/jsr.2025-0060","DOIUrl":"https://doi.org/10.1123/jsr.2025-0060","url":null,"abstract":"<p><strong>Context: </strong>Shoulder muscle groups contributing to arm rotation compared with arm abduction may differentially load the humeral head and scapula during arm elevation. Our primary aim was to compare the effects of progressive resistance exercises targeting either arm rotation or arm abduction on the acromiohumeral distance at 3 static angles of active scapular arm abduction in individuals with secondary subacromial impingement syndrome.</p><p><strong>Design: </strong>Randomized controlled clinical trial.</p><p><strong>Methods: </strong>Fifty-four volunteers diagnosed with secondary subacromial impingement syndrome were randomly assigned to 3 parallel groups. Both intervention groups performed shoulder progressive resistance exercises every other day over 6 weeks; intervention group I focused on arm rotation, whereas intervention group II focused on arm abduction. The control group maintained their regular activities of daily living for 6 weeks. Using an ultrasound device, the acromiohumeral distance was measured at 3 static angles of active scapular abduction: 0°, 45°, and 60°. The outcome measures were assessed in the intervention groups 1 day before and 1 day after progressive balance exercises and in the control group twice, at 6-week intervals.</p><p><strong>Results: </strong>Significant between- and within-group interaction effects were identified for the acromiohumeral distance at 45° and 60° of active scapular arm abduction (P < .001, ηp2>.281). However, no significant between- and within-group interaction effect was observed for the acromiohumeral distance with no arm abduction (P = .085, ηp2=.092).</p><p><strong>Conclusions: </strong>Six weeks of progressive resistance exercises targeting arm rotation, compared with arm abduction, increased the acromiohumeral distance at 45° and 60° of active scapular arm abduction.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-11"},"PeriodicalIF":1.7,"publicationDate":"2026-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148425901","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Proximal Calf Muscle Cross-Sectional Area After Anterior Cruciate Ligament Reconstruction: A Longitudinal MRI Evaluation.","authors":"Harvi F Hart, Brooke E Patterson, Hayden F Atkinson, Sabrina Trung, Shibo H Zhou, Theophile Charles, Jovana Smoljanić, Kay M Crossley, Trevor B Birmingham, Adam G Culvenor","doi":"10.1123/jsr.2026-0023","DOIUrl":"https://doi.org/10.1123/jsr.2026-0023","url":null,"abstract":"<p><strong>Context: </strong>Weakness of the quadriceps and hamstrings often persists following rehabilitation after anterior cruciate ligament reconstruction (ACLR). Yet, recovery of the gastrocnemius muscle following ACLR remains unclear. Thus, we aimed to compare the cross-sectional areas (CSAs) of the calf (lateral and medial gastrocnemius) muscle in individuals 1 year after ACLR with uninjured controls and to investigate longitudinal CSA changes up to 5 years post-ACLR.</p><p><strong>Design: </strong>Secondary analysis of a longitudinal cohort study.</p><p><strong>Methods: </strong>Existing knee MRI axial scans of 78 individuals, 1 year after ACLR, and 17 uninjured controls were segmented to obtain lateral and medial gastrocnemius muscle CSAs. Follow-up MRIs at 5 years post-ACLR were also segmented. Cross-sectional areas were compared in participants 1 year post-ACLR and controls using analysis of covariance, adjusting for age, sex, and body mass index. Changes in CSAs from 1 to 5 years post-ACLR were evaluated using paired t tests. Supplementary analyses included sex-stratified analyses.</p><p><strong>Results: </strong>Individuals 1 year after ACLR had smaller lateral gastrocnemius muscle CSA than controls (mean difference: -3.86 cm2; 95% CI, -5.71 to -2.00), but no differences were found in the medial gastrocnemius muscle CSA (-1.02 cm2; 95% CI, -2.95 to 0.91). Lateral (0.54 cm2; 95% CI, -0.18 to 1.27) and medial (0.30 cm2; 95% CI, -0.43 to 1.03) gastrocnemius muscle CSA did not change between 1 and 5 years post-ACLR. The supplementary analyses revealed increases in both lateral (0.85 cm2; 95% CI, 0.24-1.47) and medial (0.53 cm2; 95% CI, 0.16-0.90) gastrocnemius muscle CSAs in females from 1 to 5 years post-ACLR, but not in males.</p><p><strong>Conclusion: </strong>Calf muscle atrophy exists 1 year after ACLR, suggesting that postoperative rehabilitation should target muscles beyond the thigh. Moreover, sex-specific changes in calf muscle size over time underscore that muscle size recovery may differ by sex.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-6"},"PeriodicalIF":1.7,"publicationDate":"2026-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148310222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"We Thought You'd Never Ask: Insights From the Health of Elite Retired Australian Female Athletes Survey.","authors":"Daniel J Friedman, David Hughes, Jane S Thornton, Richard Saw, Michael Girdwood, Kimberley R Wells, Andrea M Bruder, Samantha J Adler, Eva Pila, Kay M Crossley","doi":"10.1123/jsr.2026-0031","DOIUrl":"https://doi.org/10.1123/jsr.2026-0031","url":null,"abstract":"<p><strong>Context: </strong>Historical underrepresentation of female athletes in sports medicine and rehabilitation research has limited the understanding of long-term postretirement health outcomes and the development of female-specific athlete care systems. This study aimed to (1) describe the mental health, brain health, cardiovascular health, musculoskeletal health, and general well-being of elite retired Australian female athletes; (2) compare these characteristics with the Australian general population where possible; and (3) explore retired athletes' perception of how sport has impacted their health and well-being.</p><p><strong>Methods: </strong>Data were collected through a larger online cross-sectional survey co-created with female athletes and disseminated to Australian retired elite (international- and national-level) female athletes aged ≥18 years old and retired from elite competition ≥2 years.</p><p><strong>Results: </strong>One hundred and ninety-nine retired athletes (mean [SD]: age 44 [10] y; retired for 16 [9] y; competed for 10 [5] y) across 31 different sports responded to the 147 questions. Athletes had lower odds of depression than the general population (odds ratio = 0.65; 95% CI, 0.49 to 0.86). Nearly all athletes (94%) reported witnessing or experiencing harassment/abuse during their career. A greater proportion of athletes (8%) reported atrial fibrillation/flutter than the general population (2%). Eighty-one athletes (41%) reported retiring due to injury-most commonly involving the knee, the most common source of ongoing pain. Despite the impact of injuries, most athletes (81%) would compete at the same level again if given the choice. They recommended current developing athletes prioritize individual health needs and foster a sense of self beyond sport.</p><p><strong>Conclusion: </strong>We identified a high prevalence of harassment and abuse, atrial fibrillation/flutter, and knee injuries. These findings highlight the need for sex- and gender-specific tailored mental health and injury prevention systems-moving beyond reliance on male-centric data-to protect all athletes' long-term health and well-being.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-17"},"PeriodicalIF":1.5,"publicationDate":"2026-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148177098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Physical Factors Associated With Chronic Low Back Pain in Collegiate Baseball Players: A Cross-Sectional Study.","authors":"Hidetoshi Nakao, Taizan Fukaya, Hironori Ohsugi, Yasushi Kurihara, Katsuyuki Morishita, Yahiko Takeuchi, Takeshi Morifuji","doi":"10.1123/jsr.2026-0059","DOIUrl":"https://doi.org/10.1123/jsr.2026-0059","url":null,"abstract":"<p><strong>Context: </strong>Chronic low back pain (CLBP) is common among baseball players. However, physical factors associated with CLBP in collegiate players remain unclear. This study aimed to identify these factors.</p><p><strong>Design: </strong>Cross-sectional study.</p><p><strong>Methods: </strong>This cross-sectional study included collegiate baseball players. Of the 153 players surveyed, 118 were included in the final analysis (29 with CLBP and 89 without CLBP). Based on questionnaire responses, players were classified into CLBP and non-low back pain groups. Body composition, trunk flexibility, hip range of motion, trunk muscle strength, and baseball-related training loads were assessed. Groups were compared using appropriate parametric or nonparametric tests, effect sizes were calculated, and multivariate logistic regression was performed to identify factors associated with CLBP.</p><p><strong>Results: </strong>The prevalence of CLBP was 18.9%. Compared with the non-low back pain group, the CLBP group demonstrated significantly reduced standing trunk flexion and lead-leg hip internal rotation with small effect sizes. In the multivariate analysis adjusted for body mass index, reduced standing trunk flexion (odds ratio = 0.94; 95% CI, 0.889-0.997) and reduced lead-leg hip internal rotation (odds ratio = 0.93; 95% CI, 0.877-1.000) were independently associated with CLBP.</p><p><strong>Conclusions: </strong>Reduced trunk flexion and limited lead-leg hip internal rotation were associated with CLBP in collegiate baseball players, suggesting the usefulness of assessing trunk and hip mobility in identifying affected players.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2026-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148057915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Validity and Reliability of a Modified Seated Athletic Shoulder Test Using a Functional Electromechanical Dynamometer.","authors":"Ignacio J Chirosa-Ríos, Dario Martínez-García, Luis J Chirosa-Ríos, Gustavo García-Buendía, Raquel Escobar-Molina, Jesus Jiménez-Martínez","doi":"10.1123/jsr.2025-0074","DOIUrl":"https://doi.org/10.1123/jsr.2025-0074","url":null,"abstract":"<p><strong>Context: </strong>The athletic shoulder (ASH) test traditionally evaluates upper limb isometric strength in a prone position using a force platform. However, this position may lack functional relevance, and the force platforms are not portable. A functional electromechanical dynamometer may provide a potentially valid, reliable, portable, and standardized seated alternative.</p><p><strong>Design: </strong>Randomized, repeated-measures design to assess the between-session reliability and concurrent validity of the Modified Seated ASH Test using an electromechanical dynamometer compared with the prone ASH test using a force platform.</p><p><strong>Methods: </strong>Thirty-four active university students (15 males, 19 females; 19.73 [3.68] years) completed ASH assessments using a force platform (prone) and an electromechanical dynamometer (seated). We evaluated between-session reliability using intraclass correlation coefficients and coefficients of variation and concurrent validity using Pearson correlations (r) and Bland-Altman analyses.</p><p><strong>Results: </strong>The electromechanical dynamometer demonstrated excellent reliability across the 180° (I), 135° (Y), and 90° (T) positions (intraclass correlation coefficient = .91-.97, coefficients of variation = 7.25%-11.33%). The force platform also showed good to excellent reliability but with higher variability (intraclass correlation coefficient = .83-.91, coefficients of variation = 12.43%-15.89%). Electromechanical dynamometer and force platform forces correlated strongly across positions (r = .77-.87, P < .001). However, Bland-Altman analyses revealed the electromechanical dynamometer yielded systematically higher forces (bias = 18-28 N) with nontrivial limits of agreement, indicating scores differ meaningfully between devices.</p><p><strong>Conclusions: </strong>The Modified Seated ASH test, using an electromechanical dynamometer, has good to excellent reliability for assessing upper limb isometric strength and is strongly associated with the traditional force platform-based ASH test. The presence of systematic bias and nontrivial limits of agreement indicates that electromechanical dynamometer- and force platform-derived forces should not be considered interchangeable for absolute strength quantification.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-7"},"PeriodicalIF":1.5,"publicationDate":"2026-05-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148057921","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reliability of Inertial Sensors for Measuring Scapular Kinematics in Individuals With Shoulder Pain and Scapular Dyskinesis.","authors":"Felipe Augusto da Silva Oliveira, Laís Regina de Holanda Santos, Hitalo Andrade da Silva, Dayane Tays da Silva, Ana Carolina Rodarti Pitangui, Rodrigo Cappato de Araújo","doi":"10.1123/jsr.2026-0055","DOIUrl":"https://doi.org/10.1123/jsr.2026-0055","url":null,"abstract":"<p><strong>Context: </strong>Scapular dyskinesis is frequently associated with subacromial pain syndrome (SAPS), and clinicians increasingly use inertial sensors as a portable, low-cost option to assess scapular kinematics. However, the reliability of these measurements in individuals with SAPS and scapular dyskinesis remains unclear. This study aimed to report the reliability of scapular kinematic variables obtained using inertial sensors during arm elevation and lowering in individuals with SAPS and scapular dyskinesis.</p><p><strong>Design: </strong>Test-retest study.</p><p><strong>Methods: </strong>Fifty-two adults with unilateral SAPS for at least 3 months and clinically diagnosed scapular dyskinesis performed arm elevation and lowering in the scapular plane across 2 sessions separated by 48 to 72 hours. Five inertial sensors (Xsens) recorded 3-dimensional scapular upward rotation, internal rotation, and scapular tilting at 30°, 60°, 90°, and 120° of humeral elevation on both limbs. Within- and between-day reliability were quantified using intraclass correlation coefficients, standard error of measurement, and minimal detectable change.</p><p><strong>Results: </strong>Within-day reliability was excellent, with intraclass correlation coefficients ranging from .91 to .97 for all scapular angles. Between-day reliability ranged from .63 to .89 across movements and angles, with higher values on the dominant side and at lower elevation angles. Standard error of measurement values ranged from 0.67° to 4.55°, and minimal detectable change values from 1.87° to 12.61°, indicating low-to-moderate measurement error.</p><p><strong>Conclusions: </strong>Inertial sensors provide reliable within- and between-day measurements of scapular kinematics during arm elevation and lowering in individuals with SAPS and scapular dyskinesis, particularly on the dominant limb and at lower elevation angles, supporting their use as a clinical assessment tool.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-8"},"PeriodicalIF":1.5,"publicationDate":"2026-05-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147943594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Slim-Fit Knee Brace for Young Adults With a Symptomatic Knee Following Anterior Cruciate Ligament Reconstruction: A Feasibility Randomized Controlled Trial.","authors":"Matthew Savage, Benjamin F Mentiplay, Andrea M Bruder, Harriette Slater, Fernanda Serighelli, Jamon L Couch, Laurna Bullock, Adam G Culvenor","doi":"10.1123/jsr.2025-0430","DOIUrl":"https://doi.org/10.1123/jsr.2025-0430","url":null,"abstract":"<p><strong>Context: </strong>Early-onset osteoarthritis and associated symptoms are common after anterior cruciate ligament reconstruction (ACLR), but evidence for effective treatments is limited. We aimed to assess the feasibility of a slim-fit knee brace in young adults with a symptomatic knee post-ACLR.</p><p><strong>Design: </strong>6-week feasibility randomized controlled trial.</p><p><strong>Methods: </strong>Participants (aged 18-45, 1-8 y post-ACLR) with a symptomatic knee were randomized (2:1) to (1) a slim-fit knee brace group, to wear ≥1 hour daily and during aggravating activities; or (2) a no brace control group. Feasibility was assessed via eligibility, enrollment, recruitment, dropouts, adverse events, and adherence (temperature sensor). Acceptability was assessed via treatment satisfaction (100-point scale) and explored in semistructured interviews and analyzed thematically. Secondary outcomes included 6-week change in Knee injury and Osteoarthritis Outcome Score, Tampa Scale of Kinesiophobia, and hop performance.</p><p><strong>Results: </strong>Of 48 participants screened, 24 (50%) were eligible and 21 (88%) enrolled over 6 months (52% male, mean age 31 [6] y, n = 14 brace, n = 7 control). One control participant was lost to follow-up (5% dropout). In the brace group, there were 2 serious and 3 minor unrelated adverse events, and 6 minor skin-related events; the control group had 2 minor events. Brace adherence averaged ≥1 hour per day on 43% of days (participant range 0%-78%). For acceptability, satisfaction was rated 70/100 (19). Fourteen interviews identified themes of perceived effectiveness (eg, improved confidence, pain relief), practical challenges to brace wear (eg, fit, clothing compatibility), and integration into daily life (eg, ease of use, social perceptions). The brace showed potential for worthwhile treatment effects for hop performance, and most Knee injury and Osteoarthritis Outcome Score subscales, but not for kinesiophobia.</p><p><strong>Conclusions: </strong>A full-scale randomized controlled trial is feasible, as recruitment and retention targets were met, although adherence requires refinement. The brace showed promising functional benefits, supporting further evaluation as a low-burden intervention for young adults with a symptomatic knee post-ACLR.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-11"},"PeriodicalIF":1.5,"publicationDate":"2026-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147876456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"\"Ever Since My Injury, I Feel Like Every Day Is Leg Day\": A Qualitative Study on Long-Term Neuromuscular Recovery After Traumatic Knee Injury.","authors":"Beyza Tayfur, Dylan Morrissey, Stuart Charles Miller","doi":"10.1123/jsr.2025-0387","DOIUrl":"https://doi.org/10.1123/jsr.2025-0387","url":null,"abstract":"<p><strong>Context: </strong>Persistent neuromuscular deficits and physical activity limitations are common after traumatic knee injuries. While biomedical literature focuses on measurable strength, there is a lack of depth regarding how individuals navigate the long-term journey of recovery including the psychological and social adaptations required in daily life. This study explored individuals' lived experiences of rehabilitation and long-term recovery following traumatic knee injury, focusing on their perceptions of physical function, symptom management, and the evolution of their physical activity engagement.</p><p><strong>Design: </strong>Qualitative study.</p><p><strong>Methods: </strong>We used semistructured, one-on-one interviews conducted online with 19 individuals (9 females, median age = 34 [interquartile range: 28-40], median = 7 [3-14] y postinjury) who had sustained a traumatic knee injury. Participants were purposively selected for maximum variation. Data were analyzed using reflexive thematic analysis.</p><p><strong>Results: </strong>Three themes were identified that characterize recovery as a nonlinear journey of identity reconstruction. (1) An unreliable limb: initial neuromuscular silence and permanent limitations-participants described an early state of bodily alienation where the muscle was perceived as disconnected from control. Long-term deficits were framed by participants as a fragility of progress. (2) The pendulum of recovery: balancing progress, symptoms, and systemic friction-recovery was reported as an oscillation between progress and setbacks. Participants identified visceral barriers and a clinical void in health care guidance as primary deterrents to sustained engagement. (3) The forever knee: acceptance and stewardship-participants described a transition toward lifelong stewardship involving the psychological labor of mourning the preinjury self and accepting a new normal of good enough function and exercise routines.</p><p><strong>Conclusions: </strong>Neuromuscular recovery is a multifaceted psychosocial process rather than a linear biological event. Participants identified that a lack of long-term guidance often results in permanent activity reduction. To optimize outcomes, rehabilitation should focus on fostering self-efficacy and support the long-term stewardship of the \"forever knee.\"</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-14"},"PeriodicalIF":1.5,"publicationDate":"2026-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147876463","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}