Journal of Sport Rehabilitation最新文献

{"title":"Biomechanical Waveforms During Walking Help Explain Patient Symptom Status Post Anterior Cruciate Ligament Reconstruction.","authors":"Hayden Dennis, Alyssa Evans-Pickett, Garritt Page, Brian G Pietrosimone, J Troy Blackburn, Matthew K Seeley","doi":"10.1123/jsr.2025-0093","DOIUrl":"https://doi.org/10.1123/jsr.2025-0093","url":null,"abstract":"<p><strong>Context: </strong>Relationships between continuous measures of walking biomechanics and post anterior cruciate ligament reconstruction (ACLR) outcomes are unclear. The purposes of this study were to: (1) determine whether continuous measures of walking vertical ground reaction force (vGRF) and knee-flexion angle (KFA) can be used to cluster patients post-ACLR and (2) compare symptom status and discrete measures of walking biomechanics between resulting clusters.</p><p><strong>Design: </strong>Cross-sectional.</p><p><strong>Methods: </strong>A Bayesian hierarchical model was used to cluster 196 patients post-ACLR (118 females; age = 21 ± 4 y; height = 1.71 ± 0.10 cm; mass = 73 ± 15 kg; time post-ACLR = 25 ± 26 mo) on involved-leg vGRF and KFA waveforms during walking. Symptom status (asymptomatic or symptomatic) was derived from Knee injury and Osteoarthritis Outcome Scores. Symptom status and discrete walking vGRF and KFA characteristics were compared between resulting patient clusters.</p><p><strong>Results: </strong>Five distinct patient clusters resulted and exhibited different representative vGRF and KFA waveforms. Clusters 1 to 4 consisted of mostly asymptomatic patients (63%, n = 47; 53%, n = 49; 58%, n = 24; 74%, n = 31) and were combined to form an aggregate group. Cluster 5 consisted of mostly symptomatic patients (58%; n = 45). The aggregate group exhibited 5% greater impact peak vGRF, 42% greater excursion between impact peak and midstance vGRF minimum, greater average (18%) and instantaneous (15%) vGRF rates during early stance, and 62% greater KFA excursion between peak KFA in early stance and subsequent peak knee extension than Cluster 5.</p><p><strong>Conclusion: </strong>Continuous vGRF and KFA were able to cluster patients post-ACLR into distinct groups that exhibited differing symptom status and biomechanics. These results offer new insight regarding relationships between walking biomechanics and post-ACLR symptoms and can guide future research designed to manipulate walking biomechanics to improve post-ACLR outcomes.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-8"},"PeriodicalIF":1.7,"publicationDate":"2026-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148881763","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":"Cross-Cultural Adaptation, Reproducibility, and Validation of the Italian Version of the Rugby Shoulder Function Questionnaire-I.","authors":"Francesco Sartorio, Lorenzo Lippi, Lorenzo Filetti, Camilla Calvano, Richard Partner, Giuseppe Plebani, Alessio Turco, Alessandro de Sire, Marco Invernizzi","doi":"10.1123/jsr.2026-0009","DOIUrl":"https://doi.org/10.1123/jsr.2026-0009","url":null,"abstract":"<p><strong>Context: </strong>Shoulder injuries are prevalent in rugby and require sport-specific outcome measures for accurate evaluation. The Rugby Shoulder Function Questionnaire (RSFQ) is designed to assess shoulder symptoms in rugby athletes, but no validated Italian version exists. This study aimed to translate, culturally adapt, and validate the Italian version of the RSFQ (RSFQ-I).</p><p><strong>Design: </strong>Cross-sectional validation study.</p><p><strong>Methods: </strong>The RSFQ was translated following standardized forward-backward procedures and administered electronically. A total of 106 Italian rugby players completed the RSFQ-I and the Italian version of the Quick Disabilities of the Arm, Shoulder, and Hand questionnaire-I at baseline; the RSFQ-I was repeated at a second timepoint. Feasibility was evaluated through completion time, missing responses, and ceiling and floor effects. Construct validity was assessed using Spearman correlation with the Quick Disabilities of the Arm, Shoulder and Hand questionnaire-I. Internal consistency was analyzed using Cronbach α, and test-retest reliability using the intraclass correlation coefficient (ICC2,1). Measurement error was quantified using the standard error of measurement and minimal detectable change at the 95% confidence level.</p><p><strong>Results: </strong>The RSFQ-I required approximately 5 minutes to complete, with no missing responses. Ceiling and floor effects were 0% and 15.1%, respectively. Construct validity was supported by significant correlations with the Quick Disabilities of the Arm, Shoulder and Hand questionnaire-I (P < .001). Internal consistency was high for both dominant (α = .92) and nondominant (α = .89) arms. Test-retest reliability was excellent for combined (ICC2,1 = .97), dominant (ICC2,1 = .96), and nondominant (ICC2,1 = .95) scores. The standard error of measurement was 2.77 points, and the minimal detectable change at the 95% confidence level was 7.7 points.</p><p><strong>Conclusion: </strong>The RSFQ-I demonstrates good feasibility, strong construct validity, high internal consistency, and excellent test-retest reliability. It is a valid and reliable instrument for assessing shoulder function in Italian-speaking rugby players and is suitable for use in both clinical practice and research settings.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-9"},"PeriodicalIF":1.7,"publicationDate":"2026-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148801011","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 the 3-Dimensional Printed PhysioCode Handheld Dynamometer for Knee Muscle Strength Assessment.","authors":"George Schayer Sabino, Diego Henrique Antunes Nascimento, Fernanda Oliveira Madaleno, Claysson Bruno Santos Vimieiro, Pollyana Helena Vieira Costa, Guilherme Augusto Santos Araujo, Matheus Hissa Lourenço Ferreira, Renan Alves Resende","doi":"10.1123/jsr.2025-0408","DOIUrl":"https://doi.org/10.1123/jsr.2025-0408","url":null,"abstract":"<p><strong>Context: </strong>Handheld dynamometry is common for isometric strength testing, but the high cost and import barriers of commercial devices (eg, MicroFET II) limit access. Three-dimensional (3D) printing enables low-cost, customizable instruments. We developed the 3D-printed PhysioCode and examined its measurement properties for knee strength.</p><p><strong>Design: </strong>Methods and Technical Report evaluating concurrent validity and test-retest reliability versus a reference handheld dynamometer.</p><p><strong>Methods: </strong>Forty-nine healthy adults (23.2 [3.9] y; body mass index 21.9 [2.8] kg/m2) performed 3 isometric trials of dominant-limb knee extension and flexion with both devices in randomized order, assessed by 2 trained novice raters under blinded analysis. Concurrent validity was evaluated using Pearson correlation coefficients (r) and root mean square error, and agreement between devices was assessed using Bland-Altman analyses. Reliability was assessed using intraclass correlation coefficients (ICC[2,1] and ICC[2,k]), along with the standard error of measurement and minimal detectable change at 95% confidence. We compared single and repeated test strategies.</p><p><strong>Results: </strong>All mean values differed by ≤21 N between devices across knee extensors and flexors. Concurrent validity was strong-very strong (r = .88-.95; P < .001), with lower root mean square error for averaged repetitions. Bland-Altman showed small, direction-specific bias: PhysioCode slightly overestimated extensor force values (-17 to 21 N) and underestimated flexor force values (-12 N). Reliability was excellent: PhysioCode ICC(2,1) = .93 to .95 and ICC(2,k) = .98 to .98; MicroFET II ICC(2,1) = .89 to .94 and ICC(2,k) = .96 to .98. Averaging 2 to 3 trials reduced standard error of measurement and minimal detectable change at 95% confidence relative to single trials or maxima.</p><p><strong>Conclusions: </strong>The 3D-printed PhysioCode showed adequate concurrent validity and excellent test-retest reliability for knee extensor/flexor strength, with performance comparable to the MicroFET II in this sample of young, healthy adults. Averaging 2 or 3 repetitions improved precision. These findings suggest that PhysioCode may represent an option for strength assessment, warranting further evaluation in target clinical populations.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-7"},"PeriodicalIF":1.7,"publicationDate":"2026-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148800989","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":"Running Participation in People With Multiple Sclerosis: A Prospective Observational Cohort Study.","authors":"Moira Smith, Carol Flavell, Liza van Eijk, Teneale McGuckin","doi":"10.1123/jsr.2026-0027","DOIUrl":"https://doi.org/10.1123/jsr.2026-0027","url":null,"abstract":"<p><strong>Context: </strong>Exercise benefits people with multiple sclerosis (MS); however, most research focuses on gym or home-based aerobic and strength training. Little is known about how individuals with MS participate in dynamic sports like running. We aimed to quantify running participation over a 4-week period in individuals with MS and investigate whether running volume and training characteristics were associated with fatigue, disability, cognition, and quality of life.</p><p><strong>Design: </strong>A prospective observational cohort study.</p><p><strong>Methods: </strong>We included 29 participants from Australia who were regular runners with MS. Participants recorded their running frequency, intensity, duration, distance, and mode (indoor/outdoor/treadmill) over 4 weeks. Associations between participants' running activities, and measures of fatigue (Modified Fatigue Impact Scale), disability (Patient Determined Disease Steps), cognition (Psytoolkit online cognitive assessment), and physical and mental health (Multiple Sclerosis Quality of Life-54) were assessed using Spearman or Kendall τ b correlation coefficients.</p><p><strong>Results: </strong>Participants with low to moderate disability demonstrated a broad range of running ability (range: average distance 2-13 km and 16-95 min per run). Most ran outdoors on combination surfaces (concrete, grass, and trail). Negative correlations were observed between fatigue and running distance (r = -.382, P = .041) and running duration (r = -.365, P = .052). Positive correlations were observed between running distance and quality of life, physical health (r = .380, P = .042), and mental health (r = .375, P = .045). Correlations were not significant after applying the corrected significance value of P < .0025.</p><p><strong>Conclusion: </strong>Regular running is feasible for individuals with MS with low to moderate disability. Participants demonstrated the ability to run despite differing levels of fatigue, cognitive function, and disability. Participants could engage in outdoor running under conditions considered challenging for those with MS. A relationship between running distance, duration, fatigue, and quality of life was identified; however, the findings were not statistically significant after correction for multiple comparisons.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-8"},"PeriodicalIF":1.7,"publicationDate":"2026-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148800954","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":"Using Machine Learning to Explain Recreational Running Injury: An Exploratory Classification Analysis.","authors":"Bradley S Neal, Stella Hadjiantoni, Allison H Gruber, Richard W Willy, Bernard X W Liew","doi":"10.1123/jsr.2026-0073","DOIUrl":"10.1123/jsr.2026-0073","url":null,"abstract":"<p><strong>Context: </strong>Running is good for overall health but has a poorly understood risk of injury. Wearable technology and machine learning (ML) offer solutions to this problem. Using ML, we aimed to determine (1) the key important factors that increase the probability of classifying a run as belonging to an injured group, (2) the best-performing ML model, and (3) the sample size required for future substantive studies.</p><p><strong>Design: </strong>Exploratory classification analysis.</p><p><strong>Methods: </strong>Heart rate/inertial measurement unit/GPS data were extracted from the wristwatches of 88 recreational runners (65 injured and 23 uninjured) during a 12-week prospective cohort. Data were extracted from each run completed by participants, and each run was considered an independent event. Variance inflation factor was used to check for collinearity, and the robust normalizer was used to scale numerical features. Seven ML models were used and validated using repeated stratified 10-fold cross validation. Accuracy, precision, and recall were used to evaluate ML model performance and SHapley Additive exPlanations to determine the relative importance of the individual factors.</p><p><strong>Results: </strong>The final data set had 29 numeric factors, with 4758 run instances from 80 participants. Participants completed between 6 and 148 (mean: 55.5) runs between November 2, 2022, and February 5, 2023. The 4 best-performing ML models were CatBoost, GMB, Light Gradient Boosting Machine, and GXBoost (average model performance > 0.90). CatBoost was the best-performing model, 96% correct in classifying runs from the injured groups. Critical power was the most important factor across all 4 algorithms, with higher values increasing the probability of classifying a run as belonging to the injured group.</p><p><strong>Conclusion: </strong>Future cohort studies using ML to explain running-related injury development should use boosting ML models, specifically CatBoost, and include critical power. We advise against interpreting these results as a causal explanation for injury development, and model performance may be overestimated due to our validation approach.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-9"},"PeriodicalIF":1.7,"publicationDate":"2026-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148726047","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":"Psychological Readiness and Kinesiophobia Are Not Associated With Effusion-Synovitis in Early Recovery After Anterior Cruciate Ligament Reconstruction.","authors":"Faith N Persyn, Natalie L Blake, Corey D Grozier, Michael Shingles, Luke Wilcox, Andrew Schorfhaar, Matthew S Harkey","doi":"10.1123/jsr.2025-0412","DOIUrl":"10.1123/jsr.2025-0412","url":null,"abstract":"<p><strong>Context: </strong>Effusion-synovitis commonly develops following anterior cruciate ligament reconstruction (ACLR) and may influence physical and psychological recovery. We examined the association between effusion-synovitis severity and psychological readiness to return to sport and kinesiophobia at 4 to 6 months post-ACLR.</p><p><strong>Design: </strong>Cross-sectional.</p><p><strong>Methods: </strong>We assessed 52 participants (age = 18.4 [4.0] y; 27 females; time since surgery = 5.0 [0.9] mo) between 4 and 6 months post-ACLR. We graded effusion-synovitis using the Outcome Measures in Rheumatology ordinal scale (0 = absent to 3 = severe) from suprapatellar ultrasound images and dichotomized into absent/mild (grades 0-1, n = 24) and moderate/severe (grades 2-3, n = 28) groups. We assessed psychological readiness and kinesiophobia using the ACL Return to Sport after Injury Scale and the Tampa Scale of Kinesiophobia-11, respectively. We compared outcomes between groups using analysis of covariance models adjusted for time since surgery and sex. Sensitivity analyses treated effusion-synovitis as an ordinal variable (Spearman correlations) and as a binary variable (no effusion vs any effusion).</p><p><strong>Results: </strong>Effusion-synovitis grade distribution: grade 0, n = 6 (11.5%); grade 1, n = 18 (34.6%); grade 2, n = 18 (34.6%); and grade 3, n = 10 (19.2%). We observed no significant between-group in kinesiophobia (absent/mild: 21.3 [5.4], moderate/severe: 22.0 [5.7]; F1,48 = 0.01, P = .927; 95% CI, 0.000-0.041) or psychological readiness (absent/mild: 62.2 [20.2], moderate/severe: 56.0 [27.2]; F1,48 = 0.00, P = .990; 95% CI, 0.000-0.000). Sensitivity analyses yielded consistent null findings.</p><p><strong>Conclusions: </strong>Effusion-synovitis severity did not associate with kinesiophobia or psychological readiness at 4 to 6 months post-ACLR, with small effect sizes.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-7"},"PeriodicalIF":1.7,"publicationDate":"2026-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13560497/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148726632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Are Lower Limb Running Kinematics Altered 48 Hours After a Personal Best Half-Marathon Attempt? A Within-Subject Repeated-Measures Study.","authors":"Jean S Carvalho, Conrado T Laett, Marcos R Kunzler, Karine J V Stoelben, Felipe P Carpes","doi":"10.1123/jsr.2025-0492","DOIUrl":"https://doi.org/10.1123/jsr.2025-0492","url":null,"abstract":"<p><strong>Context: </strong>Delayed recovery may affect lower-extremity kinematics and kinetics during impact activities, potentially altering movement patterns. Such changes may be associated with increased exposure to injury risk factors or impaired performance-related outcomes in runners. This study investigated whether completing a half-marathon affects 3D running kinematics.</p><p><strong>Design: </strong>Within-subject repeated measures.</p><p><strong>Methods: </strong>Fifteen trained adult runners (11 males) completed an outdoor half-marathon, aiming for their personal best time. Perceived recovery, pain perception, pressure pain threshold, and 3D running kinematics were assessed 72 hours before and 48 hours after the half-marathon. Repeated-measures analysis of variance was used to compare discrete variables, and statistical parametric mapping was applied to analyze kinematic waveforms (α = .05).</p><p><strong>Results: </strong>Reduced pressure pain threshold for the vastus lateralis region and reduced perceived recovery were observed 48 hours posthalf-marathon, indicating delayed effects of the exercise on recovery. Nonsignificant differences were observed in sagittal-plane joint kinematics, with runners exhibiting slightly longer stance time (small to medium effect size, mean difference of ∼3%) and larger ankle range of motion (small to medium effect size, mean difference from 7 to 11%) in the transverse plane 48 hours posthalf-marathon. The small magnitude leg asymmetries observed in the prehalf-marathon were no longer present 48 hours posthalf-marathon. No differences were observed in joint angles waveforms pre- versus posthalf-marathon.</p><p><strong>Conclusion: </strong>Overall, runners maintained stable sagittal-plane lower limb kinematics 48 hours after a half-marathon, with minor changes in ankle transverse-plane motion and stance time. Although these adaptations were small, they may be considered when interpreting running mechanics during the recovery period following strenuous endurance exercise. The impact of this short-term adaptation on injury risk requires further investigation.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-8"},"PeriodicalIF":1.7,"publicationDate":"2026-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148686454","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":"Epidemiology of Bowling-Related Injuries Presenting to US Emergency Departments From 2014 to 2023.","authors":"Wing Yun Au, Marcus Weeks, Reid W Collis","doi":"10.1123/jsr.2025-0446","DOIUrl":"https://doi.org/10.1123/jsr.2025-0446","url":null,"abstract":"<p><strong>Context: </strong>Bowling is a widely practiced sport in the United States, both recreationally and competitively. Despite its popularity, bowling carries a risk of injury. However, comprehensive epidemiological data on bowling-related injuries are extremely limited, especially in comparison with those for other well-known sports. This study aims to provide an updated review of epidemiological patterns by age, sex, body region, and mechanism of injury for bowling-related injuries in the United States between 2014 and 2023.</p><p><strong>Design: </strong>Retrospective epidemiological study.</p><p><strong>Methods: </strong>Bowling-related injury data from 2014 to 2023 were extracted from the National Electronic Injury Surveillance System. Variables included age, sex, body region, diagnosis, disposition, and injury mechanism. Weighted national estimates were calculated. Statistical analyses included linear regression, t-tests, analysis of variance, and chi-square tests, with significance set at P < .05.</p><p><strong>Results: </strong>A total of 3299 injuries were identified, corresponding to a national estimate of 141,844 injuries. The mean age was 34 years; 51.6% were male. Adults (19-64 y) had the highest injury rates. Trunk (21.9%), head/neck (13.4%), and finger (12.6%) were the most commonly injured regions across all age groups. Sprains/strains were the most frequent diagnosis (29.9%). Falls were the leading mechanism (27.5%), especially in children and seniors. Most patients (95%) were treated and released. Injury incidence declined over the study period, with a sharp drop in 2020, likely due to the COVID-19 pandemic and declining bowling participation.</p><p><strong>Conclusion: </strong>Bowling-related injuries most commonly affect the trunk and upper extremities, with falls and overexertion as leading mechanisms. Injury patterns vary by age, with children and seniors demonstrating higher rates of falls and acute injuries, and adults demonstrating higher rates of overuse injuries. Understanding the epidemiology of bowling-related injuries can inform targeted prevention strategies, including supervision and equipment for children, conditioning for adults and seniors, and education on safe techniques for all bowlers.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-8"},"PeriodicalIF":1.7,"publicationDate":"2026-08-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148686487","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":"Do Ober Tests Reflect Iliotibial Band Stiffness? A Preliminary Shear Wave Elastography Study.","authors":"Akihiro Asayama, Masahide Yagi, Hiroshige Tateuchi, Zimin Wang, Hikari Itsuda, Subaru Hyakutake, Naoyuki Miyagawa, Noriaki Ichihashi","doi":"10.1123/jsr.2025-0033","DOIUrl":"https://doi.org/10.1123/jsr.2025-0033","url":null,"abstract":"<p><strong>Context: </strong>Clinical tests, such as the Ober, and modified Ober tests are commonly used to assess iliotibial band (ITB) stiffness. Whether these tests can be used to evaluate ITB stiffness in vivo, or whether alternatives are available remains unclear. We aimed to investigate whether commonly used and alternative clinical tests reflect ITB stiffness in vivo.</p><p><strong>Design: </strong>Cross-sectional.</p><p><strong>Methods: </strong>Thirty-five healthy males underwent the traditional Ober and modified versions of the Ober tes, including variations performed with the tested hip in extension, as well as a hip extension test with tibial external rotation. We defined positive cutoff values as < 0° of hip adduction for the Ober test and Ober test with the tested hip in extension, <10° of hip adduction for the modified Ober test and modified Ober test with the tested hip in extension, and <0° of hip extension for the hip extension test with tibial external rotation. Shear wave elastography was used to assess the stiffness of the ITB, rectus femoris, tensor fascia lata, gluteus medius, and gluteus minimus. Multivariable logistic regression analyses were performed to investigate associations between positive clinical test findings and tissue stiffness.</p><p><strong>Results: </strong>Higher ITB stiffness was associated with positive findings in the modified Ober test performed with the tested hip in extension (odds ratio = 1.03, 95% confidence interval = 1.00-1.06, P = .04) and the hip extension test with tibial external rotation (odds ratio = 1.04, 95% confidence interval = 1.00-1.07, P = .03). The traditional Ober and modified Ober tests were not associated with ITB stiffness.</p><p><strong>Conclusions: </strong>Traditional Ober-based tests may have limited utility for evaluating ITB stiffness in vivo. Modified testing positions, particularly the modified Ober test with the tested hip in extension and the hip extension test with tibial external rotation, may better reflect ITB stiffness.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-8"},"PeriodicalIF":1.7,"publicationDate":"2026-08-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148671238","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":"Sensory-Mapping During the Weight-Bearing Lunge Test Across Chronic Ankle Instability, Copers, and Healthy Controls.","authors":"Hugo Bogaerts, Aude Aguilaniu, Manon Lecharlier, Coralie De Wasseige, Philippe Mahaudens, Anh Phong Nguyen","doi":"10.1123/jsr.2025-0300","DOIUrl":"https://doi.org/10.1123/jsr.2025-0300","url":null,"abstract":"<p><strong>Context: </strong>Lateral ankle sprains are among the most common musculoskeletal injuries, and in specific sporting populations, up to 70% of cases may progress to chronic ankle instability (CAI). This study explored qualitative sensations during the Weight-Bearing Lunge Test (WBLT), a reliable and valid dorsiflexion range of motion assessment, to identify differences among CAI patients, individuals who have recovered from ankle sprains (copers), and healthy controls.</p><p><strong>Design: </strong>Cross-sectional study.</p><p><strong>Methods: </strong>A total of 147 active adults classified as controls (n = 55), copers (n = 52), and CAI (n = 40) performed the WBLT. Two blinded raters independently collected and coded participant-reported sensations by type (eg, pain, stretching) and localization (eg, Achilles tendon, talus). Sensations were aggregated at the participant level and were analyzed using chi-square or Fisher's Exact Tests with Bonferroni correction and effect size estimation.</p><p><strong>Results: </strong>Stretching was the most common sensation across all groups (77.6%), typically localized to the posterior (61.9%) and anterior (51.7%) aspects of the leg and ankle. CAI participants reported pain more frequently than controls (42.5% vs 12.7%, P = .003) as well as sensations on the lateral side of the leg and ankle more often (25% vs 3.6%, P = .001). No other categories differed significantly between groups after adjustment.</p><p><strong>Conclusions: </strong>CAI participants have distinct WBLT sensation profiles, underscoring the importance of qualitative assessment during the WBLT for tailoring rehabilitation strategies in this population.</p>","PeriodicalId":50041,"journal":{"name":"Journal of Sport Rehabilitation","volume":" ","pages":"1-8"},"PeriodicalIF":1.7,"publicationDate":"2026-07-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148563664","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}