PM&R最新文献

{"title":"Assessing the beliefs and impacts of strength training in a Division I collegiate gymnastics team.","authors":"Tammy Ng, Tyler Bendrick, Mary Swanstrom, Ellen Casey, Machelle Wilson, Kevin Burnham, Marcia Faustin","doi":"10.1002/pmrj.13350","DOIUrl":"https://doi.org/10.1002/pmrj.13350","url":null,"abstract":"<p><strong>Background: </strong>Traditionally, there has been a reluctance to use weight training with female gymnasts due to concerns that it could cause detrimental increases in muscle mass and impede flexibility. Recent literature has demonstrated that strength training has no significant effect on flexibility and can improve athletic performance.</p><p><strong>Objective: </strong>To assess in a pilot study the perceptions of collegiate gymnasts and coaches toward strength training after starting inaugural strength and conditioning training.</p><p><strong>Design: </strong>Survey-based study.</p><p><strong>Setting: </strong>National Collegiate Athletics Association Division I women's gymnastics program at a public university in California.</p><p><strong>Participants: </strong>Of the 23 gymnasts surveyed, 17 (74%) responded to the survey. Of the two coaches surveyed, both (100%) responded to the survey.</p><p><strong>Interventions: </strong>Not applicable.</p><p><strong>Main outcome measures: </strong>Descriptive statistics characterizing demographics, characteristics of gymnasts' strength and conditioning program, and perceptions regarding the safety of strength training and its impact on performance, body shape, flexibility, and injury rates.</p><p><strong>Results: </strong>Most gymnasts agreed (35%) or strongly agreed (59%) that weight training may improve performance. All gymnasts disagreed (59%) or strongly disagreed (41%) that weight training is not safe; 41% disagreed, 29% strongly disagreed, and 17% agreed that weight training may negatively affect body shape. Most gymnasts disagreed (59%) or strongly disagreed (18%) that weight training decreases flexibility; four (24%) felt neutral. Eighty three percent (59% strongly agree, 24% agree) felt that weight training had a positive impact on performance. More than half of the gymnasts either agreed (24%) or strongly agreed (29%) they had fewer injuries the season after implementing weight training, compared to prior seasons. Both coaches similarly endorsed the safety of strength training and its potential to improve performance.</p><p><strong>Conclusions: </strong>In this pilot study, collegiate gymnasts and coaches expressed generally positive perceptions toward the safety of strength training and its effect on performance. A small number of gymnasts expressed concerns regarding the effects of weight training on body shape and flexibility.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143586695","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":"Preoperative muscle weakness is a risk factor for persistent pain 1 year after hip arthroscopy for femoroacetabular impingement syndrome.","authors":"Yuta Nanri, Kohei Nozaki, Takuya Maeda, Hiroyoshi Masuma, Manami Nihei, Takako Uchiya, Masashi Kawabata, Kensuke Fukushima, Michinari Fukuda","doi":"10.1002/pmrj.13352","DOIUrl":"https://doi.org/10.1002/pmrj.13352","url":null,"abstract":"<p><strong>Background: </strong>Femoroacetabular impingement syndrome (FAIS) is a common condition causing hip and groin pain. Hip arthroscopy has been established as a viable treatment option when nonoperative management fails to relieve symptoms of FAIS. Despite the numerous positive hip arthroscopy outcomes for FAIS, some individuals experience persistent postoperative pain. Preoperative muscle strength may be associated with persistent pain and function after arthroscopy in patients with FAIS; however, further investigation is necessary to confirm this theory.</p><p><strong>Objective: </strong>To determine the effect of preoperative muscle strength on persistent pain after arthroscopy in patients with FAIS.</p><p><strong>Design: </strong>Retrospective single-institution cohort study.</p><p><strong>Setting: </strong>Tertiary care university hospital in Japan.</p><p><strong>Participants: </strong>Seventy-eight patients who underwent hip arthroscopy for FAIS between December 2015 and September 2021.</p><p><strong>Methods: </strong>Data were collected on patient demographics, preoperative hip abductor and quadriceps strength, preoperative and postoperative visual analog scale (VAS) for pain, and postoperative patient-reported outcomes (PRO). Hip abductor and quadriceps strength were assessed only on the affected side using a hand-held dynamometer. The VAS uses a 100 mm horizontal line to assess pain intensity, with higher values indicating greater pain. PRO was assessed using the Japanese Orthopaedic Association Hip Disease Evaluation Questionnaire (JHEQ) score.</p><p><strong>Interventions: </strong>Not applicable.</p><p><strong>Main outcome measure: </strong>VAS score for pain 1 year postoperatively.</p><p><strong>Results: </strong>Of the 78 patients, 16 (20.5%) had persistent pain (VAS ≥30) 1 year postoperatively. Low preoperative hip abductor and quadriceps strength were associated with persistent pain after arthroscopy even after adjusting for age, gender, and preoperative VAS score (p = .021 and p = .030, respectively). Low preoperative hip abductor and quadriceps strength were associated with lower JHEQ scores 1 year postoperatively even after adjustments (p = .020 and p = .001, respectively).</p><p><strong>Conclusions: </strong>In these patients, low preoperative muscle strength compared with normal muscle strength was a risk factor for persistent pain and poor PRO scores 1 year postoperatively.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143573656","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":"Prevention of concussion and long-term effects of repetitive traumatic brain injury: Unanimous consensus from the Cantu Concussion Summit.","authors":"Robert C Cantu, Allen K Sills, Michael L Alosco, Kristy B Arbogast, Jeffrey J Bazarian, Kevin F Bieniek, Jeff R Crandall, Grant L Iverson, Douglas I Katz, C Dirk Keene, John J Leddy, Christina D Mack, Ann C McKee, William P Meehan, Jesse Mez, Christopher J Nowinski, David O Okonkwo, Gary S Solomon, Thor D Stein, M Carmela Tartaglia, Ross D Zafonte, Daniel H Daneshvar","doi":"10.1002/pmrj.13332","DOIUrl":"https://doi.org/10.1002/pmrj.13332","url":null,"abstract":"<p><strong>Objective: </strong>The Cantu Concussion Summit aimed to gather clinicians and researchers to share findings and identify research gaps in brain injury and long-term cognitive disorders in athletes.</p><p><strong>Design: </strong>The conference concluded with a discussion of ways to best mitigate the risk of concussion and repetitive traumatic brain injury (RTBI).</p><p><strong>Setting and participants: </strong>The summit was supported by an unrestricted educational grant from the National Football League and featured a diverse group of experts from multiple disciplines.</p><p><strong>Interventions: </strong>N/A.</p><p><strong>Main outcome measures: </strong>This discussion resulted in unanimous agreement supporting six consensus statements aimed at enhancing player safety and health.</p><p><strong>Results: </strong>These consensus statements are as follows: (1) Eliminate intentional and avoidable head impacts in sports practices and games. (2) Encourage policies that limit the number, duration, and intensity of head impacts during sports practices and games. (3) Reinforce proper and safer techniques to avoid head contact at all levels of play. (4) Implement rules that reduce and penalize intentional and avoidable contact to the head and neck. (5) Investigate specific clinical signs and symptoms associated with chronic traumatic encephalopathy neuropathology through further research. (6) Improve the criteria for traumatic encephalopathy syndrome through continued research.</p><p><strong>Conclusions: </strong>These consensus statements highlight opportunities to advance the understanding and prevention of concussions and RTBI, by emphasizing the need for ongoing research and policy changes to safeguard athletes' health and well-being. Implementation of these changes would reduce the burden of brain injuries in sports, promoting a safer environment for athletes at all levels.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143557800","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":"Incidence of lymphedema among adults with cerebral palsy.","authors":"Christine R Gettys, Sean Smith, Kimberly K Rauch, Daniel G Whitney","doi":"10.1002/pmrj.13277","DOIUrl":"10.1002/pmrj.13277","url":null,"abstract":"<p><strong>Background: </strong>Lymphedema is a chronic and progressive condition but is understudied among adults with cerebral palsy (CP).</p><p><strong>Objective: </strong>To compare the 2-year incidence of lymphedema between adults with versus without CP before and after accounting for multimorbidity, cancer diagnosis/treatment, and lymph node/channel surgery.</p><p><strong>Design: </strong>Retrospective cohort study.</p><p><strong>Setting: </strong>Nationwide commercial claims data from January 1, 2011 to December 31, 2017.</p><p><strong>Participants: </strong>Adults ≥18 years old with and without CP with at least 12 months of continuous health plan enrollment, defined as the baseline period, were included for analysis. The 12-month baseline period was used to establish information on preexisting lymphedema (for exclusion), presence of cancer, including radiation treatment and lymph node surgery, and the Whitney Comorbidity Index (WCI).</p><p><strong>Interventions: </strong>Not applicable.</p><p><strong>Main outcome measure: </strong>The 2-year incidence rate (IR) and IR ratio (IRR) of lymphedema were evaluated. Cox regression estimated the hazard ratio (HR) of 2-year lymphedema after adjusting for age, gender, WCI, cancer diagnosis/treatment, and lymph node/channel surgery.</p><p><strong>Results: </strong>The 2-year IR of lymphedema was 5.73 (95% confidence interval [CI] = 4.59-6.88) for adults with CP (n = 9922) and 1.81 (95% CI = 1.79-1.83) for adults without CP (n = 12,932,288); the IRR was 3.17 (95% CI = 2.59-3.87) and the adjusted HR was 2.43 (95% CI = 1.98-2.98). There was evidence of effect modification by gender, age, and WCI score. All HRs were elevated, but men with versus without CP had higher HRs than women with versus without CP; HRs for adults with versus without CP were higher for younger participants and those with lower WCI scores.</p><p><strong>Conclusions: </strong>Adults with CP had a higher 2-year rate of lymphedema compared with those without CP. Men with CP had a disproportionately higher rate than women with CP when compared with their gender-based reference cohorts without CP.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":"293-299"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142392669","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":"Departments.","authors":"","doi":"10.1002/pmrj.13379","DOIUrl":"https://doi.org/10.1002/pmrj.13379","url":null,"abstract":"","PeriodicalId":20354,"journal":{"name":"PM&R","volume":"17 3","pages":"E1-E11"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143586698","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":"Variability in youth coach concussion education requirements across states.","authors":"Sepehr Asgari, Peter Knowles, Amy K Bugwadia, Christine M Baugh, Lewis E Kazis, Gerald A Grant, Ross D Zafonte, Robert C Cantu, Roy D Pea, Piya Sorcar, Daniel H Daneshvar","doi":"10.1002/pmrj.13274","DOIUrl":"10.1002/pmrj.13274","url":null,"abstract":"<p><strong>Background: </strong>Youth sports coaches play a critical role in proper concussion recognition and management, reinforcing the need for coach concussion education. As of 2021, most states have statutory and policy measures mandating concussion education for coaches. In practice, these mandates have been enacted through state legislatures and their respective youth sport governing bodies. Prior studies have found significant variations in the contents of state-level concussion risk reduction policies and have raised questions about their specificity.</p><p><strong>Objective: </strong>To expand on previous analyses to provide an overview of youth sports coach concussion education, highlighting variations in state policies and discrepancies between state mandates and youth sport governing bodies.</p><p><strong>Methods: </strong>This report utilized qualitative content analysis to characterize and compare U.S. state and governing body concussion education requirements for youth sport coaches. State concussion statutes were identified via the National Conference of State Legislatures and Open States databases, and governing body handbooks/bylaws were obtained via their websites. Two researchers independently coded the policies, and discrepancies were resolved through consensus meetings with additional youth traumatic brain injury experts.</p><p><strong>Results: </strong>We found significant variability in educational requirements and their implementation. A majority (68%; n = 34) of states require the completion of concussion education training for coaches. Notably, many states designate responsibility for enforcement and implementation of provisions to another party but just four state statutes delineate explicit consequences for noncompliance. Additionally, only 12 state statutes extend mandates to noninterscholastic sports, limiting their reach. In most cases, independent sanctioning authorities implement more stringent policies than the minimum acceptable standard established by state law.</p><p><strong>Conclusion: </strong>Our findings provide a coded data set of youth coach concussion laws and independent sanctioning authority guidelines that can be used in future research efforts. Further research investigating a relationship between the strength of coach concussion education policies and relevant youth and adolescent concussion-related metrics is required.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":"270-285"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142506490","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":"Percutaneous ultrasound-guided A1 pulley release utilizing a modified 20-gauge spinal needle.","authors":"Mark Sederberg, Ragav Sharma, Daniel M Cushman, Jonathan T Finnoff","doi":"10.1002/pmrj.13276","DOIUrl":"10.1002/pmrj.13276","url":null,"abstract":"<p><strong>Background: </strong>Trigger finger is a common cause of hand pain. Though multiple techniques for percutaneous A1 pulley release have been described in the literature, there is a continued need for safe and effective techniques using inexpensive, familiar, and commonly found instruments. This study evaluated outcomes of percutaneous A1 pulley release performed using a novel technique with a modified 20-gauge spinal needle and ultrasound guidance, with follow-up outcomes at least 6 months after the procedure.</p><p><strong>Objective: </strong>To evaluate the efficacy and safety of a novel percutaneous A1-pulley release technique in individuals with trigger finger.</p><p><strong>Design: </strong>Retrospective observational study.</p><p><strong>Setting: </strong>Private practice outpatient orthopedics clinic.</p><p><strong>Participants: </strong>Forty digits from 30 unique patients with trigger finger who underwent percutaneous A1 pulley release.</p><p><strong>Interventions: </strong>Percutaneous ultrasound-guided A1 pulley release performed with a modified 20-gauge spinal needle.</p><p><strong>Main outcome measures: </strong>The primary outcome measure was cessation of triggering. Secondary measures examined intraoperative and postoperative pain, postprocedural duration of activity limiting pain, and time to perform the procedure.</p><p><strong>Results: </strong>Immediate cessation of triggering was achieved in all 40 digits following the procedure, with no recurrence reported at any time at an average follow-up of 11 months (range 6-32). Patients reported returning to normal activity in 2.75 days. Only one minor complication was reported, tenosynovitis, which resolved with a corticosteroid injection.</p><p><strong>Conclusions: </strong>Percutaneous, ultrasound-guided A1 pulley release performed with a modified 20-gauge spinal needle can be safely performed with good outcomes and a rapid return to normal activity.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":"286-292"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11889526/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142666399","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":"Student concussion symptoms and tailored accommodations during use of a return to learn program in 13 public high schools.","authors":"Erik B Philipson, Aspen Avery, Julian Takagi-Stewart, Qian Qiu, Thomas Jinguji, David B Coppel, Monica S Vavilala","doi":"10.1002/pmrj.13282","DOIUrl":"10.1002/pmrj.13282","url":null,"abstract":"<p><strong>Background: </strong>Youth concussion is common but there is a paucity of information on symptoms students report to school personnel and a gap in understanding what accommodations schools can provide.</p><p><strong>Objective: </strong>To examine symptoms and provision of temporary accommodations in schools for students reporting concussion symptoms.</p><p><strong>Design: </strong>Secondary data analysis of a trial implementing an evidence-based student-centered return to learn (RTL) program.</p><p><strong>Setting: </strong>Thirteen public high schools during the 2021-2022 academic year.</p><p><strong>Participants: </strong>Sixty-two students diagnosed with concussion who reported symptoms to school personnel.</p><p><strong>Interventions: </strong>The school-based RTL program, which consists of up to four weekly check-ins with an RTL champion who evaluates symptoms and recommends symptom-tailored accommodations.</p><p><strong>Main outcome measures: </strong>Symptom profile, accommodation type, and accommodation duration.</p><p><strong>Results: </strong>A total of 46 (74.2%) students received accommodation for ≤2 weeks and 16 (25.8%) students received accommodation for 3 (21.0%) or 4 (4.8%) weeks. Sixty-two students experienced an average of 11.2 unique symptoms during week 1. Compared to students whose symptoms resolved within the first 2 weeks, students who received accommodation for 3 or 4 weeks reported higher initial total symptom severity score (p = .02), and higher initial average severity per symptom (p = .01) at week 1. Physical symptoms were most common and received corresponding accommodations most often (75/90 reports: 83.3% of occurrences). In total, 674 (nearly 11 accommodations per student) weekly accommodations were offered.</p><p><strong>Conclusions: </strong>Students with concussion report a large number and type of symptoms that necessitate symptom-tailored academic accommodations. High school implementation of an evidence-based RTL program may aid in identifying and addressing many RTL needs after concussion, including potential identification of students with concussion who will require longer-term support.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":"262-269"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11889523/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142710776","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":"Why genetic testing is important in patients with developmental disabilities-a unique case of progressive hypertonia and chorea: VARS2-related disorder.","authors":"Shannon Strader, Marissa Vawter-Lee, Loren Pena, Heather Huxol, Corrie Harris","doi":"10.1002/pmrj.13267","DOIUrl":"10.1002/pmrj.13267","url":null,"abstract":"","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":"344-346"},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142036670","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":"Lower limb kinematic changes during stair navigation 3 and 5 months after anterior cruciate ligament reconstruction: A longitudinal analysis in real-world settings.","authors":"Tomer Yona, Bezalel Peskin, Arielle G Fischer","doi":"10.1002/pmrj.13342","DOIUrl":"https://doi.org/10.1002/pmrj.13342","url":null,"abstract":"<p><strong>Background: </strong>Despite advancements in anterior cruciate ligament reconstruction (ACLR), achieving symmetrical movement patterns during stair negotiation remains challenging. Therefore, this study examines lower limb kinematics during stair ambulation at the early and mid-rehabilitation stages after ACLR in a real-world environment.</p><p><strong>Objective: </strong>To describe lower limb kinematics during stair ambulation at 3 and 5 months after ACLR and evaluate changes between these time points. We hypothesized that between-limb asymmetries would improve over this period.</p><p><strong>Design: </strong>Longitudinal study.</p><p><strong>Participants: </strong>Twenty-seven patients 3 months post ACLR were recruited, and 18 were followed up at 5 months post ACLR. Surgeries were performed by one of five surgeons using various grafts (hamstrings, bone-patellar tendon-bone, or quadriceps). Exclusion criteria were multiligament injuries, major meniscus injuries, other concomitant injuries, or previous knee surgeries. An additional group of matched healthy controls (n = 16) was also recruited.</p><p><strong>Setting: </strong>Public health care campus.</p><p><strong>Interventions: </strong>N/A.</p><p><strong>Main outcome measures: </strong>Maximum and minimum joint angles, and continuous kinematic patterns during stair ascent and descent were measured on a 20-step staircase at self-selected speed using seven inertial measurement units, with sagittal knee kinematics as the main outcome and hip and ankle kinematics as secondary outcomes. Between-limb differences and longitudinal changes were analyzed using discrete points and statistical parametric mapping.</p><p><strong>Results: </strong>At 3 months after ACLR, the injured knee was less flexed compared to the contralateral knee during stair ascent (mean difference = -11.3°, confidence interval [CI, -14.4 to -8.1], p < .001) and descent (mean difference = -6.3°, CI [-10.2 to -2.4], p = .002). Statistical parametric mapping analysis showed decreased flexion at 0%-35% and 87%-99% of the stair ascent cycle (p < .005). By 5 months, flexion differences during ascent improved (mean difference = -4.7°, CI [-8.1 to -1.4], p = .008), but asymmetry persisted, with decreased flexion at 10%-32% of the cycle during ascent and 20%-29% during descent (p < .017). Flexion improvements were observed from 3 to 5 months during ascent (mean increase = 6.1°, p < .001) and descent (mean increase = 9.3°, p = .004).</p><p><strong>Conclusions: </strong>Persistent lower limb kinematic asymmetries remain 5 months after ACLR during stair ambulation.</p>","PeriodicalId":20354,"journal":{"name":"PM&R","volume":" ","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143531856","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}