Orthopaedic Journal of Sports Medicine最新文献

{"title":"Preventive Effect of Cross-motion Swing Exercise on Groin Pain in High School Male Soccer Players: A Cluster Randomized Controlled Trial.","authors":"Hiroshi Mori, Sadao Niga, Yasuaki Mizoguchi, Yu Okubo, Hiroshi Hattori, Toby Hall, Kiyokazu Akasaka","doi":"10.1177/23259671251351333","DOIUrl":"10.1177/23259671251351333","url":null,"abstract":"<p><strong>Background: </strong>Groin pain in soccer players arises from various causes, most commonly kicking, and as such can significantly affect performance. A new form of exercise, the cross-motion swing exercise (CMS), may help prevent groin pain but is untested.</p><p><strong>Purpose: </strong>To evaluate the effectiveness of the CMS in preventing groin pain in high school soccer players.</p><p><strong>Study design: </strong>Randomized controlled trial; Level of evidence, 1.</p><p><strong>Methods: </strong>This study involved 135 male high school soccer players <18 years from 4 teams competing in a high school soccer league in Japan. Teams were randomly assigned to an intervention group (2 teams; n = 65 players) or a control group (2 teams; n = 70 players). The intervention group performed the CMS in addition to their usual warm-up, emphasizing coordination and kicking movements, while the control group continued their usual warm-up exercise. The intervention period lasted 16 weeks, with compliance monitored weekly. Data were collected through weekly Google form surveys. The primary outcome was the incidence of groin pain at any time during the study period.</p><p><strong>Results: </strong>The intervention group had a significantly lower incidence of groin pain (9.4%) compared with the control group (23.1%). Cox proportional hazards regression analysis indicated a significantly reduced risk of groin pain in the intervention group (hazard ratio, 0.309; 95% CI, 0.108-0.880; <i>P</i> = .028). The number of injuries was 6 in the intervention group and 18 in the control group, and injuries due to the kicking motion were 0 in the intervention group (0%) and 7 in the control group (38.9%).</p><p><strong>Conclusion: </strong>The CMS significantly reduced the incidence of groin pain in high school soccer players. This suggests that coordination-based exercise, closely mimicking the appropriate sports-specific movement, was effective in reducing injury. The study supports incorporating the CMS into regular training to reduce the incidence of groin pain in male high school soccer players.</p><p><strong>Trial registry and the registration number: </strong>This study has been registered as a clinical trial with the Universal Medical Information Network (UMIN) under the registration number UMIN000051311.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251351333"},"PeriodicalIF":2.4,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12227873/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144575997","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Association between Excessive Glenohumeral External Rotation and Risk for Shoulder and Elbow Injury in Left-Handed High School Baseball Pitchers: A Prospective Cohort Study.","authors":"Hitoshi Shitara, Tsuyoshi Tajika, Tsuyoshi Ichinose, Tsuyoshi Sasaki, Noritaka Hamano, Masataka Kamiyama, Ryosuke Miyamoto, Kurumi Nakase, Fukuhisa Ino, Takuma Kachi, Yuhei Hatori, Koichiro Yanai, Atsushi Yamamoto, Kenji Takagishi, Hirotaka Chikuda","doi":"10.1177/23259671251340300","DOIUrl":"10.1177/23259671251340300","url":null,"abstract":"<p><strong>Background: </strong>Left-handed baseball pitchers exhibit unique throwing biomechanics, yet the risk factors for shoulder and elbow injuries in this population remain unclear.</p><p><strong>Purpose: </strong>To prospectively investigate preseason risk factors for shoulder and elbow injuries in left-handed high school baseball pitchers.</p><p><strong>Study design: </strong>Cohort study; Level of evidence, 2.</p><p><strong>Methods: </strong>A total of 160 left-handed high school baseball pitchers were enrolled. Preseason evaluations included age, height, weight, shoulder muscle strength, and range of motion of the shoulder and elbow. Participants completed a self-recorded questionnaire on shoulder and elbow pain and associated pitching limitations during the subsequent season. Participants were categorized into the noninjured or injured group. The Mann-Whitney <i>U</i> test, chi-square test, logistic regression analysis, and receiver operating characteristic curve analysis were used to identify injury risk factors and cutoff values for shoulder and elbow injuries.</p><p><strong>Results: </strong>Shoulder and elbow injuries occurred in 27 participants (16.9%). The injured group had significantly greater abduction-external rotation (ABER) in the dominant shoulder (114.8°± 11.9° vs 107.5°± 13.0°; <i>P</i> = .008) and a greater total arc of the dominant shoulder (166.4°± 25.1° vs 156.0°± 23.4°; <i>P</i> = .039). Logistic regression analysis showed that ABER in the dominant shoulder was an independent risk factor for injuries (<i>P</i> = .031; OR, 1.04). Receiver operating characteristic curve analysis determined that an ABER ≥109° predicted injury (<i>P</i> = .017). Pitchers with ABER ≥109° had a 3.3 times higher incidence of injury than those with ABER <109° (<i>P</i> = .005).</p><p><strong>Conclusion: </strong>Increased shoulder ABER was significantly associated with shoulder and elbow injuries among left-handed high school baseball pitchers. Pitchers with ABER ≥109° are at higher risk.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251340300"},"PeriodicalIF":2.4,"publicationDate":"2025-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12227860/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144575999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Risk Factors Associated With Osteochondral Fractures After Lateral Patellar Dislocation Based on Individual Factors.","authors":"Kehan Li, Chenyue Xu, Changhui Li, Xiaoyu Cui, Zhengyi Ni, Wei Ji, Fei Wang","doi":"10.1177/23259671251344923","DOIUrl":"10.1177/23259671251344923","url":null,"abstract":"<p><strong>Background: </strong>Individual risk factors for osteochondral fractures (OCFs) have been discussed separately; nonetheless, there is a lack of established systematic assessment models to predict the risk of OCFs after lateral patellar dislocation (LPD). Timely diagnosis, appropriate treatment, and rehabilitation can help optimize outcomes for affected patients.</p><p><strong>Purpose: </strong>To develop a comprehensive and effective personalized scoring system based on demographic and clinical characteristics to help understand the factors associated with OCFs after LPD and compare the anatomic differences of OCFs in different locations.</p><p><strong>Study design: </strong>Case-control study; Level of evidence, 3.</p><p><strong>Methods: </strong>From 2016 to 2023, a total of 369 patients with LPD who were admitted to our hospital were enrolled in this study; OCFs were considered positive events, and patient characteristics and imaging data were collected. Backward stepwise regression identified independent risk factors associated with the incidence of OCFs after LPD. A predictive nomogram was constructed based on the analysis results. The predictive performance was assessed using receiver operating characteristic curves (ROCs), calibration plots, and decision curve analysis.</p><p><strong>Results: </strong>After regression analysis, skeletal immaturity, higher body mass index (BMI), shorter tibial tuberosity-trochlear groove distances, knee valgus, and smaller patellar tilt angles were identified as independent risk factors and incorporated into the predictive model. The ROC curve, calibration plot, Hosmer-Lemeshow test, and decision curve analysis all demonstrated good performance in both the training and validation cohorts. The area under the curve was 0.769 and 0.794 in the training and validation cohorts, respectively.</p><p><strong>Conclusion: </strong>This study developed a comprehensive and effective personalized nomogram with 5 predictors (skeletal maturity, BMI, tibial tubercle-trochlear groove distance, mechanical axis deviation, and patellar tilt). This tool quantifies the risk factors for OCFs and provides a more detailed understanding of how these factors interact with one another.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251344923"},"PeriodicalIF":2.4,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12231964/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144584472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Superior Fulcrum Reconstruction for Massive Irreparable Rotator Cuff Tears Using the Peroneus Longus Tendon in 2 Variations: A Cadaveric Static Biomechanical Study.","authors":"Kehao Wang, Run Fang, Guang Chen, Bizhi Tu, Hao Wu, Hongyan Li, Cheng Peng, Rende Ning","doi":"10.1177/23259671251349686","DOIUrl":"10.1177/23259671251349686","url":null,"abstract":"<p><strong>Background: </strong>Massive and irreparable rotator cuff tears (MIRCTs) pose unique challenges, and clinicians have explored a variety of surgical approaches to manage them. However, the optimal treatment strategies for MIRCT remain widely debated.</p><p><strong>Purpose: </strong>To investigate the biomechanical effects of 2 superior fulcrum reconstruction (SFR) techniques-using either 2 halved autologous peroneus longus tendons (SFR-H) in a sutured bridge configuration or a single entire autologous peroneus longus tendon (SFR-E) in an \"X\" configuration-on MIRCT in a static biomechanical setup. This study explores the biomechanical implications of these methods, aiming to address MIRCTs affecting the entire supraspinatus tendon and 50% of the infraspinatus tendon.</p><p><strong>Study design: </strong>Controlled laboratory study.</p><p><strong>Methods: </strong>Eight cadaveric shoulders were subjected to biomechanical testing under 4 different conditions: Intact, MIRCT, SFR-E, and SFR-H. These tests were conducted at 0°, 30°, and 60° of glenohumeral abduction. The parameters measured included the rotational range of motion, superior translation of the humeral head, and subacromial contact pressure. Statistical analysis was performed using repeated-measures analysis of variance with Tukey post hoc tests, with significance set at <i>P</i> < .05.</p><p><strong>Results: </strong>The MIRCT condition led to a significant increase in the superior translation of the humeral head at all tested abduction angles (<i>P</i> < .05 for all). By contrast, SFR-E significantly reduced this translation across all angles (<i>P</i> < .05 for all), while SFR-H effectively reduced it at 0° and 30° (<i>P</i> < .05 for both). After MIRCT, subacromial contact pressure significantly increased at all tested abduction angles compared with the Intact state (<i>P</i> < .05 for all). Following SFR-E, significant pressure reductions were observed at 0° and 30° abduction angles (<i>P</i> < .05 for both). Similarly, SFR-H led to significant pressure reductions at all abduction angles (<i>P</i> < .05 for all).</p><p><strong>Conclusion: </strong>Compared with MIRCT, both SFR-H and SFR-E techniques significantly reduce superior translation of the humeral head and subacromial contact pressure, without limiting the range of motion of the humerus. In cadaveric biomechanical experiments, the use of peroneus longus tendon for SFR via bone tunnels has been proven to be a reliable method. Additionally, peroneus longus tendon is a viable source for autografting.</p><p><strong>Clinical relevance: </strong>The results of this study are significant for patients suffering from MIRCTs, as they demonstrate that both surgical techniques may be used to treat these tears, potentially improving shoulder function and alleviating associated symptoms. The success of the cadaveric experiments lays the groundwork for further clinical trials.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251349686"},"PeriodicalIF":2.4,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12231963/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144584473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Does Self-Reported Drug Allergy Influence Clinically Significant Outcome Improvement and Graft Failure Rates After Meniscal Allograft Transplantation of the Knee?","authors":"Jared P Sachs, Yusuf N Mufti, Chloe H Franzia, Sarah A Muth, Andrew S Bi, Brian J Cole","doi":"10.1177/23259671251344233","DOIUrl":"10.1177/23259671251344233","url":null,"abstract":"<p><strong>Background: </strong>Emerging research suggests that immune responses may influence results after various orthopaedic operations. This study aimed to determine if similar relationships exist in meniscal allograft transplantation (MAT).</p><p><strong>Purpose: </strong>To compare clinical outcomes and failure rates for patients who underwent MAT based on presence or absence of self-reported drug allergies.</p><p><strong>Study design: </strong>Cohort study; Level of evidence, 3.</p><p><strong>Methods: </strong>A retrospective review of patients who underwent MAT from January 2004 to December 2021 at a single academic medical institution was conducted with minimum follow-up of 2 years. Age, sex, body mass index, and presence of concomitant procedures were collected. The presence or absence of patient-reported allergies was recorded from the electronic medical record. Graft failure was defined as removal or revision of primary MAT, subsequent cartilage procedure, or progression to arthroplasty. The Lysholm score, International Knee Documentation Committee (IKDC) score, and all Knee injury and Osteoarthritis Outcome Score (KOOS) were compared for each patient from preoperative to 2-year time points. The minimal clinically important difference was determined using distribution-based method.</p><p><strong>Results: </strong>A total of 107 patients who underwent MAT with minimum follow-up of 2 years were included in the study. Of the total, 22 (20.6%) had self-reported ≥1 medication allergy and 85 (79.4%) did not report any medication allergies. There were no significant differences between the no-allergy and allergy cohorts in other demographic variables. There was no significant difference in failure rate between the no-allergy and allergy cohorts (18.1% vs 8.2%; <i>P</i> = .17). There were no statistically significant differences in Lysholm, IKDC, or KOOS subscales preoperatively or at 2 years postoperatively. Self-reported drug allergies did not serve as a significant risk factor for failing to achieve minimal clinically important difference across any outcomes in the patient population.</p><p><strong>Conclusion: </strong>The presence of self-reported drug allergies does not appear to adversely affect clinically significant outcome improvement or graft survival rates in patients undergoing MAT. These findings suggest that self-reported allergies should not be considered a limiting factor for MAT and that surgeons can continue to focus on other patient-specific factors that may be more predictive of postoperative outcomes.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251344233"},"PeriodicalIF":2.4,"publicationDate":"2025-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12231959/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144584470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Position Paper of the Italian Society of Orthopaedics and Traumatology (SIOT) on the Treatment of Rotator Cuff Tears.","authors":"Pietro S Randelli, Mattia Radici, Alfonso Liccardi, Michele Cavaciocchi, Antonio Padolino, Paolo Fici, Federico A Grassi","doi":"10.1177/23259671251351901","DOIUrl":"10.1177/23259671251351901","url":null,"abstract":"<p><strong>Background: </strong>Rotator cuff tears (RCTs) are a common condition, particularly among the aging population, and the choice of treatment depends on various factors. There is extensive literature on their management, but still no consensus given all the evidence.</p><p><strong>Purpose: </strong>To provide guidance on the indications for nonoperative or surgical treatment for RCTs.</p><p><strong>Study design: </strong>Narrative review.</p><p><strong>Methods: </strong>Research of the literature on this topic was performed and articles were analyzed to draw up guidelines. A rating group of professionals specializing in shoulder pathology reviewed the results and integrated them with their clinical experience.</p><p><strong>Results: </strong>It is widely accepted that nonoperative treatment is typically recommended for degenerative tears. Surgical repair is suggested for traumatic tears, degenerative tears unresponsive to nonoperative treatment, and young and active patients with high functional demands. The choice of surgical technique depends on the surgeon's preference.The Società Italiana di Ortopedia e Traumatologia (Italian Society of Orthopaedics and Traumatology) emphasizes the importance of patient evaluation in determining the most appropriate treatment for RCTs.</p><p><strong>Conclusion: </strong>Nonoperative treatment is the first-line choice of treatment in the case of degenerative tears, while in the remaining cases surgical treatment must be considered from the beginning.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251351901"},"PeriodicalIF":2.4,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12214392/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144560727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Effect of Ethnicity and Child Opportunity Index on Glenohumeral Labral Repair Postoperative Physical Therapy Attendance in Adolescents.","authors":"Halle R Walls, Tracey P Bryan, Eric W Edmonds","doi":"10.1177/23259671251350299","DOIUrl":"10.1177/23259671251350299","url":null,"abstract":"<p><strong>Background: </strong>Recovery from orthopaedic surgery in the adolescent population can be complicated by socioeconomic barriers and known health care disparities prevalent among racial/ethnic groups. Such barriers can negatively affect patient outcomes, particularly if accessibility to postoperative physical therapy (PT) is affected.</p><p><strong>Purpose: </strong>To determine the effect of race, ethnicity, language spoken, or Child Opportunity Index (COI) on recovery from glenohumeral labral repair in the pediatric population.</p><p><strong>Study design: </strong>Cohort study; Level of evidence, 3.</p><p><strong>Methods: </strong>Patients who underwent glenohumeral labral repair at a single center between September 2009 and December 2018 were reviewed. The inclusion criteria were pre- and postoperative data available at the time of chart review, with a minimum of 2 postoperative appointments with the surgeon. Charts were reviewed to gather demographic and clinical data, including age, sex, race, ethnicity, pre- and postoperative visits with the surgeon, and PT data. Cohorts of Hispanic or Latino (HL) and non-Hispanic (NH) were analyzed along with COI classification levels and outcomes.</p><p><strong>Results: </strong>A total of 132 patients met the inclusion criteria-61(46%) women and 40 (30%) HL patients-with a mean age of 15.5 years. There was no difference between HL and NH patients regarding the time from injury to initial visit, the time from initial visit to surgery, and the number of postoperative clinic visits with the surgeon (<i>P</i> > .05). The NH cohort had more PT sessions completed postoperatively (24 sessions) than the HL cohort (19 sessions) (<i>P</i> = .024). There was a significant difference in the rate of PT cancellations based on COI, with the high and very high opportunity groups having the most cancellations (<i>P</i> = .029). When COI was added as a covariate, no differences were observed based on ethnicity regarding any of the outcome variables (<i>P</i> > .05).</p><p><strong>Conclusion: </strong>Ethnicity appears to independently factor into postoperative PT session attendance. Patients living in areas with the highest opportunity index had higher rates of postoperative PT cancellations. Future studies should focus on longer-term outcomes, rather than the ability to attend postoperative PT, to further identify whether ethnicity is truly a factor for any discrepancies in health care related to glenolabral repair in the pediatric population.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251350299"},"PeriodicalIF":2.4,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12214369/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144560726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Posterior Tibial Slope Characteristics and Their Relationships With Thigh Muscle Morphology, Activation Patterns, and Dynamic Knee Valgus in Male and Female Soccer Players Before and After Fatigue: A Descriptive Laboratory Study.","authors":"Gerda Strutzenberger, Florian B Imhoff, Jakob Ackermann, Laura Zehnder, Daniel P Fitze, Sandro F Fucentese, Johannes Scherr, Stefan Fröhlich, Jörg Spörri","doi":"10.1177/23259671251350303","DOIUrl":"10.1177/23259671251350303","url":null,"abstract":"&lt;p&gt;&lt;strong&gt;Background: &lt;/strong&gt;Soccer players are at high risk of anterior cruciate ligament injury as well as reinjury, with higher rates in women and in the supporting leg, and fatigue impairs the neuromuscular control of the knee joint. However, little is known about the bony anatomy of the knee joint and its relationship with neuromuscular measures related to knee stabilization, and studies investigating anatomic and biomechanical measures simultaneously are widely lacking.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Purpose: &lt;/strong&gt;To investigate (1) whether posterior tibial slope (PTS) characteristics and thigh muscle morphology differ between sexes; (2) whether thigh muscle activation patterns and dynamic knee valgus differ between sexes and fatiguing states during a drop jump (DJ); and (3) whether certain relationships among PTS characteristics, thigh muscle morphology, thigh muscle activation patterns, and dynamic knee valgus exist.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Study design: &lt;/strong&gt;Descriptive laboratory study.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Methods: &lt;/strong&gt;Magnetic resonance images of 32 healthy national-level soccer players (15 female, 17 male) were acquired, and their PTS characteristics and thigh muscle anatomic cross-sectional areas (CSAs) were determined. Muscle activation patterns, as well as dynamic knee valgus (quantified as medial displacement of the knee joint center [medial knee displacement, or MKD] in the anatomic frontal plane), were assessed via surface electromyography and 3-dimensional motion capture while participants performed DJs before and after a fatigue protocol.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Results: &lt;/strong&gt;Female players had smaller hamstring and quadriceps CSAs (&lt;i&gt;P&lt;/i&gt; &lt; .001). During DJ landing, female players demonstrated significantly greater hamstring activity (&lt;i&gt;P&lt;/i&gt; = .04). There were significant sex differences in the lateromedial hamstring activation ratio (&lt;i&gt;P&lt;/i&gt; = .03), with female players exhibiting greater medial than lateral hamstring activation (ratio &lt;1.0), whereas male players presented opposite activation patterns (ratio &gt;1.0). MKD was greater in female players than in male players (&lt;i&gt;P&lt;/i&gt; = .02). Moreover, in female players, the steeper their lateral PTS was, (1) the greater their quadriceps-to-hamstring activation ratio and the lower their hamstring activity, (2) the smaller their lateromedial hamstring activation ratio, and (3) the lower their MKD. In male players, a steeper lateral PTS was associated with greater quadriceps activity only. No fatigue-induced differences were observed.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Conclusion: &lt;/strong&gt;Among soccer players, thigh muscle morphology, muscle activation patterns, and dynamic knee valgus during DJ landing are sex dependent. Moreover, there are distinct sex-specific associations between PTS characteristics, thigh muscle morphology, and measures related to neuromuscular control of the knee joint.&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Clinical relevance: &lt;/strong&gt;These study results may further highlight the importance of also considering sex and th","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 7","pages":"23259671251350303"},"PeriodicalIF":2.4,"publicationDate":"2025-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12231958/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144584471","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Minimum 10-Year Outcomes of Arthroscopic Capsulolabral Repair for Posterior Shoulder Instability.","authors":"Maria E Dey Hazra, Rony-Orijit Dey Hazra, Joan C Rutledge, Jared A Hanson, Matthew L Vopat, Marilee P Horan, Peter J Millett","doi":"10.1177/23259671241312651","DOIUrl":"10.1177/23259671241312651","url":null,"abstract":"<p><strong>Background: </strong>Posterior shoulder instability (PSI) is a multifactorial condition of atraumatic or traumatic onset that most frequently affects young male athletes. To address capsulolabral detachment, arthroscopic posterior capsulolabral repair with suture anchors can be performed.</p><p><strong>Purpose: </strong>To report patient-reported outcomes (PROs), failure rates, survivorship, and return-to-sport/activity rates after arthroscopic posterior capsulolabral repair with suture anchors at a minimum of 10 years after surgery.</p><p><strong>Study design: </strong>Case series; Level of evidence, 4.</p><p><strong>Methods: </strong>Patients who underwent arthroscopic posterior capsulolabral repair for PSI by a single surgeon between November 2005 and September 2010 were included; patients with multidirectional instability and concomitant bony reconstruction were excluded. Demographic, surgical, and subjective data were collected prospectively and retrospectively reviewed. PROs that were collected included the American Shoulder and Elbow Surgeons (ASES); Single Assessment Numeric Evaluation (SANE); Quick Disabilities of the Arm, Shoulder and Hand (QuickDASH); and 12-Item Short Form physical component summary (SF-12 PCS) scores. Recurrent instability, dislocations, and reoperations were recorded, and a survivorship analysis was performed.</p><p><strong>Results: </strong>Overall, 17 shoulders in 16 patients (all male; mean age, 31.4 years; age range, 19.2-51.2 years) were included. The onset of PSI was atraumatic in 11 shoulders (65%) and traumatic in 6 shoulders (35%). Three patient shoulders (17.6%) underwent revision surgery for instability or osteoarthritis at 6.3, 7.6, and 12.5 years postoperatively. A minimum 10-year follow-up was obtained in 12 of 14 remaining shoulders (86%), with a mean follow-up of 13.1 years. For patients not requiring revision surgery, pre- to postoperatively, the ASES score significantly improved (72.6 to 89.9; <i>P</i> = .016), as did the SF-12 PCS score (43.8 to 55.0; <i>P</i> = .002). The mean postoperative SANE score was 86.9, and the mean postoperative QuickDASH score was 6.6. Median satisfaction was 8 (range, 3-10). At follow-up, 67% of patients had returned to their original fitness program. Kaplan-Meier survivorship analysis showed an 86.7% survival rate at 10 years.</p><p><strong>Conclusion: </strong>Study findings indicated that arthroscopic posterior capsulolabral repair was an effective treatment for patients with PSI, albeit with a 17.6% revision rate. Patients who did not require revision had satisfactory PRO scores that were maintained at long-term follow-up.</p>","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 6","pages":"23259671241312651"},"PeriodicalIF":2.4,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12214370/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144554097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Is There a Relationship Between Grip Strength and Injuries in Professional Baseball Players? Letter to the Editor.","authors":"Justin M Losciale, Chad E Cook, Ava Sina, Patrick Ward","doi":"10.1177/23259671251342815","DOIUrl":"10.1177/23259671251342815","url":null,"abstract":"","PeriodicalId":19646,"journal":{"name":"Orthopaedic Journal of Sports Medicine","volume":"13 6","pages":"23259671251342815"},"PeriodicalIF":2.4,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12214383/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144554095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}