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Background: Limited guidance exists for conducting research on health disparities within the field of sport and exercise medicine (SEM). This review aimed to identify and summarise existing best practices for conducting equitable, diverse and inclusive research within SEM., Methods: A narrative review with evidence synthesis was conducted using electronic databases, reference lists, manual searches and relevant publications from other organisations. Search terms associated with steps of the research process were used in tandem with 'equity', 'inclusion' and 'health disparities'., Results: We developed a research roadmap for SEM researchers with methodological recommendations to develop and conduct equity-informed and equity-focused research. This roadmap serves as a tool for SEM researchers and clinicians to design, execute and disseminate research with a health disparities lens. We recommend SEM researchers should build an equitable, diverse and inclusive research team and include community members; apply a multilevel, intersectional framework; minimise and acknowledge potential biases in the study design and incorporate qualitative or mixed-methods approaches if appropriate; apply multiple inclusive strategies for recruiting and retaining diverse populations; collect accurate and representative data using inclusive data collection methods and tools with validity and reliability in the populations of interest; apply measures with evidence of validity and reliability in the populations of interest; implement a data analysis plan that reflects the conceptual and theoretical frameworks; and promote broad dissemination and interventions that ultimately address and reduce health inequities., Conclusion: SEM researchers should consider these methodological recommendations to conduct equity-informed and equity-focused research to address health disparities in SEM., Competing Interests: Competing interests: JAD is Editor-in-Chief and SK and CB are on the Editorial Board of BJSM., (© Author(s) (or their employer(s)) 2025. No commercial re-use. See rights and permissions. Published by BMJ Group.)

Context: Athletic trainers (ATs) are the most visible members of the sports medicine team and are responsible for the health and well-being of student-athletes. However, the representation of Black, Indigenous, and people of color (BIPOC) ATs in National Collegiate Athletic Association (NCAA) member institutions has not been studied., Objective: To quantify the representation of BIPOC ATs in National Collegiate Athletic Association (NCAA) member institutions., Design: Cross-sectional study., Setting: National Collegiate Athletic Association's Demographic Database., Patients or Other Participants: Team athletic personnel at NCAA member institutions., Main Outcome Measure(s): Chi-square tests were used to assess differences in racial and ethnic frequencies across division, calendar year, and gender. Linear regression models were calculated to examine changes in racial and ethnic distributions of head and assistant ATs over time., Results: Most NCAA ATs were categorized as White (88%), which was reflected in both head (90.8%) and assistant (87.2%) AT positions. Black ATs made up the largest proportion of a specific racial or ethnicity group within BIPOC ATs (3.4% of head ATs, 4.6% of assistant ATs), with the next most prevalent being Hispanic (2.8% of head ATs, 3.9% of assistant ATs). Historically Black Colleges and Universities showed higher proportions of BIPOC ATs in both the head and assistant categories than non-historically Black institutions. Division I schools had the greatest AT racial or ethnicity diversity in comparison with Divisions II and III (P < .0001). In our linear regression models, we found increases in many of the racial or ethnic categories for both head and assistant ATs., Conclusions: We demonstrated that BIPOC ATs represented a small proportion of the ATs currently working at NCAA member institutions. Although BIPOC ATs have increased over the past 10 years, a large racial and ethnic discordance gap still exists between student-athletes and the ATs caring for them., (© by the National Athletic Trainers' Association, Inc.)

Objective: Health disparities are widely prevalent; however, little has been done to examine and address their causes and effects in sports and exercise medicine (SEM). We aimed to summarise the focus areas and methodology used for existing North American health disparity research in SEM and to identify gaps in the evidence base., Design: Scoping review., Data Sources: Systematic literature search of PubMed, Scopus, SPORTDiscus, CINAHL Plus with Full Text, Web of Science Core Collection and Cochrane Central Register of Controlled Trials., Eligibility Criteria: Full-text, peer-reviewed manuscripts of primary research, conducted in North America; published in the year 2000 or after, in English; and focusing on organised sports were included., Results: 103 articles met inclusion criteria. Articles were classified into five focus areas: access to and participation in sports (n=45), access to SEM care (n=28), health-related outcomes in SEM (n=24), provider representation in SEM (n=5) and methodology (n=1). Race/ethnicity (n=39), socioeconomic status (n=28) and sex (n=27) were the most studied potential causes of health disparities, whereas sexual orientation (n=5), location (rural/urban/suburban, n=5), education level (n=5), body composition (n=5), gender identity (n=4) and language (n=2) were the least studied. Most articles (n=74) were cross-sectional, conducted on youth (n=55) and originated in the USA (n=90)., Conclusion: Health disparity research relevant to SEM in North America is limited. The overall volume and breadth of research required to identify patterns in a heterogeneous sports landscape, which can then be used to inform positive change, need expansion. Intentional research focused on assessing the intersectionality, causes and consequences of health disparities in SEM is necessary., Competing Interests: Competing interests: SAK, YAT-W and AR are associate editors for BJSM., (© Author(s) (or their employer(s)) 2024. No commercial re-use. See rights and permissions. Published by BMJ.)

Introduction: Diffusion Tensor Imaging (DTI) has revealed measurable changes in the brains of patients with persistent post-concussive syndrome (PCS). Because of inconsistent results in univariate DTI metrics among patients with mild traumatic brain injury (mTBI), there is currently no single objective and reliable MRI index for clinical decision-making in patients with PCS., Purpose: This study aimed to evaluate the performance of a newly developed PCS Index (PCSI) derived from machine learning of multiparametric magnetic resonance imaging (MRI) data to classify and differentiate subjects with mTBI and PCS history from those without a history of mTBI., Materials and Methods: Data were retrospectively extracted from 139 patients aged between 18 and 60 years with PCS who underwent MRI examinations at 2 weeks to 1-year post-mTBI, as well as from 336 subjects without a history of head trauma. The performance of the PCS Index was assessed by comparing 69 patients with a clinical diagnosis of PCS with 264 control subjects. The PCSI values for patients with PCS were compared based on the mechanism of injury, time interval from injury to MRI examination, sex, history of prior concussion, loss of consciousness, and reported symptoms., Results: Injured patients had a mean PCSI value of 0.57, compared to the control group, which had a mean PCSI value of 0.12 ( p  = 8.42e-23) with accuracy of 88%, sensitivity of 64%, and specificity of 95%, respectively. No statistically significant differences were found in the PCSI values when comparing the mechanism of injury, sex, or loss of consciousness., Conclusion: The PCSI for individuals aged between 18 and 60 years was able to accurately identify patients with post-concussive injuries from 2 weeks to 1-year post-mTBI and differentiate them from the controls. The results of this study suggest that multiparametric MRI-based PCSI has great potential as an objective clinical tool to support the diagnosis, treatment, and follow-up care of patients with post-concussive syndrome. Further research is required to investigate the replicability of this method using other types of clinical MRI scanners., Competing Interests: JT-P, ST, ES, and PG were shareholders of Qmetrics Technologies. The remaining authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Meyers, Hirad, Gonzalez, Bazarian, Mirabelli, Rizzone, Ma, Rosella, Totterman, Schreyer and Tamez-Pena.)

Competing Interests: The authors declared that there are no conflicts of interest in the authorship and publication of this contribution. AOSSM checks author disclosures against the Open Payments Database (OPD). AOSSM has not conducted an independent investigation on the OPD and disclaims any liability or responsibility relating thereto.

For many females, sports bras are an essential piece of equipment for participation in sports and physical activity. Breast pain or discomfort from lack of support may be a contributing factor to the noted gender disparity in physical activity of females compared to males. Our objective was to evaluate sports bra usage and characterize sports bra preferences of an active female cohort. This multicenter cross-sectional survey study was conducted at five geographically distinct academic centers. Our measure was administered during outpatient sports medicine clinic visits to females aged 11-64 years old. Chi-square tests were used to compare characteristics across subgroups. Our analysis consisted of 438 respondents, with a mean age of 22 ± 12.2 years. More than a quarter (27.4%) reported lack of breast support prevented them from being active or exercising. Age ( p = 0.03), breast size ( p < 0.0001), and household income ( p = 0.01) were significantly associated with greater frequency of physical activity being limited by lack of breast support. Lack of breast support may be an important barrier for young females of specific populations to meeting physical activity recommendations. Further research is needed to improve the understanding of this important piece of sporting equipment for women.

Athletic identity (AI), the degree of personal connection to sport, is well-described in adult research; however, this social trait has been less studied in younger age groups. This systematic review describes epidemiological characteristics of AI in youth athletes. PubMed, Embase and PsycInfo were searched to identify AI studies involving quantitative athlete identity outcomes and cohorts 22 years and younger. The search strategy was developed for each database using the Boolean method. PRISMA guidelines and the Appraisal Tool for Cross-Sectional Studies (AXIS) were utilized. Ten out of ninety-one studies met inclusion criteria. AI scores differed by race/ethnicity. Two studies found increased AI during adolescence compared to later in ones' training. Mental health-focused studies revealed higher AI levels protect against burnout, but in injured athletes, increased depression risk. Transitioning to a higher level of play during adolescence can correlate with stronger senses of AI. Further research should explore the concept of athletic identity saliency as one moves through an athletic career or training program and how thoughts of perceived success, professional progression, recruitment prospect or injury affect levels of athletic identity.

Objectives: Determine national estimates of injuries, mechanisms of injury (MOI), and injury severity among men and women engaging in track and field activities in the United States (U.S.), aged 18 years and older, who present to emergency departments (ED)., Methods: Retrospective analyses of injury narratives were conducted using data from the National Electronic Injury Surveillance System (NEISS) of the Consumer Product Safety Commission (CPSC), comprising individuals 18 and older presenting to U.S. EDs from 2004 to 2015, with injuries associated with track and field, applying the NEISS product code 5030 and patient narratives. National injury estimates were calculated using sample weights. National injury incidence rates were determined using U.S. census estimate data (denominator), and comparisons of categorical variables by gender were made using a chi-squared test, and associated p-values., Results: Estimated 42,947 ED visits among individuals 18 and older presented for track and field-related injuries in the U.S. from 2004 to 2015, consisting of 23,509 incidents among men, and 19,438 among women. The highest rates of injury occurred in 2010 among men, and 2011 among women, with 3.47, and 2.70 injuries per 100,000 U.S. population, respectively. No statistically significant differences (α = 0.05) were found between genders for injury severity (p = 0.32), injury diagnosis (p = 0.30), and body region (p = 0.13), but there was a significant difference overall between genders for mechanism of injury (p = 0.01)., Conclusions: To develop appropriate injury preventive interventions for track and field athletes, additional studies exploring associations between injury characteristics, namely the mechanisms of injury, and gender, are necessary.

Female athletes are participating in collision sports in greater numbers than previously. The overall incidence of concussion is known to be higher in female athletes than in male athletes participating in similar sports. Evidence suggests anatomic, biomechanical, and biochemical etiologies behind this sex disparity. Future research on female athletes is needed for further guidance on prevention and management of concussion in girls and women., Competing Interests: Disclosure The author, K.H. Rizzone, do not have any commercial or financial conflicts of interest. I have a grant funded by the American Medical Society of Sports Medicine. The author, K.E. Ackerman, do not have any commercial or financial conflicts of interest. I have received grant funding from the National Institutes of Health, the Department of Defense, the American Medical Society of Sports Medicine, the American College of Sports Medicine, and the International Olympic Committee., (Copyright © 2020 Elsevier Inc. All rights reserved.)

Background: Single-sport specialization at the exclusion of other sports has become increasingly popular in youth sporting culture. The purpose of this study was to survey Major League Soccer (MLS) athletes to examine factors influencing the timing of single-sport specialization in soccer., Hypothesis: The majority of surveyed athletes will have participated in multiple sports prior to specialization and specialized primarily as a result of a coach's recommendation, with no significant impact on specialization timing stemming from birth or high school location, obtaining a collegiate scholarship, MLS experience, or position., Study Design: Cross-sectional study., Level of Evidence: Level 4., Methods: Anonymous surveys were distributed to 3 MLS organizations and completed by MLS athletes during preseason physicals. Surveys evaluated the age and reason(s) behind an athlete's decision to specialize in soccer, birth location, geographic high school location for US-born athletes, participation in a developmental league, college scholarship, years in the MLS, and position played., Results: Approximately 74% (64/86) of athletes returned completed surveys. Athletes reported beginning soccer at a mean age of 5.1 ± 2.1 years and specializing at age 12.6 ± 4.3 years. Athletes who participated in no other sports prior to specialization ( P < 0.001), athletes reporting soccer to be their first sport played at an advanced level ( P < 0.001), and athletes receiving a college scholarship ( P = 0.02) specialized at a significantly younger age. Internationally born athletes specialized at significantly younger ages when compared with US-born athletes ( P < 0.001)., Conclusion: The majority of athletes participated in multiple sports prior to specialization and eventually specialized to focus exclusively on soccer. The timing of sport specialization in professional MLS athletes was not associated with multisport participation prior to specialization, playing soccer at an advanced level prior to other sports, receiving a college scholarship, or being born outside the United States., Clinical Relevance: Timing of sport specialization is associated with multiple factors prior to athlete promotion to the MLS that warrant further investigation to better understand the impact of specialization on injury incidence, performance, and career length.

Context:   Stress fractures are injuries caused by cumulative, repetitive stress that leads to abnormal bone remodeling. Specific populations, including female athletes and endurance athletes, are at higher risk than the general athletic population. Whereas more than 460 000 individuals participate in collegiate athletics in the United States, no large study has been conducted to determine the incidence of stress fractures in collegiate athletes., Objective:   To assess the incidence of stress fractures in National Collegiate Athletic Association (NCAA) athletes and investigate rates and patterns overall and by sport., Design:   Descriptive epidemiology study., Setting:   National Collegiate Athletic Association institutions., Patients or Other Participants:   National Collegiate Athletic Association athletes., Main Outcome Measure(s):   Data were analyzed from the NCAA Injury Surveillance Program for the academic years 2004-2005 through 2013-2014. We calculated rates and rate ratios (RRs) with 95% confidence intervals (CIs)., Results:   A total of 671 stress fractures were reported over 11 778 145 athlete-exposures (AEs) for an overall injury rate of 5.70 per 100 000 AEs. The sports with the highest rates of stress fractures were women's cross-country ( 28.59/100  000 AEs), women's gymnastics ( 25.58/100  000 AEs), and women's outdoor track ( 22.26/100  000 AEs). Among sex-comparable sports (baseball/softball, basketball, cross-country, ice hockey, lacrosse, soccer, swimming and diving, tennis, indoor track, and outdoor track), stress fracture rates were higher in women (9.13/100 000 AEs) than in men (4.44/100 000 AEs; RR = 2.06; 95% CI = 1.71, 2.47). Overall, stress fracture rates for these NCAA athletes were higher in the preseason (7.30/100 000 AEs) than in the regular season (5.12/100 000 AEs; RR = 1.43; 95% CI = 1.22, 1.67). The metatarsals (n = 254, 37.9%), tibia (n = 147, 21.9%), and lower back/lumbar spine/pelvis (n = 81, 12.1%) were the most common locations of injury. Overall, 21.5% (n = 144) of stress fractures were recurrent injuries, and 20.7% (n = 139) were season-ending injuries., Conclusions:   Women experienced stress fractures at higher rates than men, more often in the preseason, and predominantly in the foot and lower leg. Researchers should continue to investigate biological and biomechanical risk factors for these injuries as well as prevention interventions.

Objective: The Bundled Payments for Care Improvement initiative combines payment of multiple services for episodes of care into 1 bundle. Rotator cuff repair is a likely candidate for future inclusion. The objective of this study was to determine cost-effective, high-quality postoperative rehabilitation dosing and cryotherapy for patients undergoing rotator cuff repair based on systematic review of the literature., Methods: Systematic review of level I and level II articles was performed in PubMed, Cochrane Databases, and PEDro. Conference references and bibliographies were also reviewed. For postoperative therapy, keywords included rotator cuff, rotator cuff repair, exercise therapy, exercise, unsupervised, self-care, postoperative period, physical therapy, and physiotherapy; for cryotherapy, keywords included rotator cuff repair, shoulder, cryotherapy, and ice., Results: Five studies compared postoperative outcomes in participants assigned to supervised therapy vs. unsupervised therapy. Three found no difference between groups. One found improved outcomes in supervised therapy. Limitations included that therapies were not consistently defined and significant methodologic issues were present, decreasing the applicability and validity of the results. Five articles examined cryotherapy outcomes in the postoperative shoulder. Two studies showed improved patient outcomes with cryotherapy vs. no cryotherapy; 2 studies showed no decrease in joint space temperatures at 90 minutes but decrease in temperature at 4 to 23 hours postoperatively. One study indicated that an ice bag and Ace bandage might be as effective as continuous, compressive cryotherapy units using patient-reported outcomes., Conclusion: Further studies are needed to determine effective dosing of physical therapy after rotator cuff repair. Cryotherapy is favorable and cost-effective using simple methods for delivery., (Copyright © 2017 Journal of Shoulder and Elbow Surgery Board of Trustees. Published by Elsevier Inc. All rights reserved.)

Background: Disruptive behavior disorders are among the most common child and adolescent psychiatric disorders and associated with significant impairment., Objective: Systematically review studies of psychosocial interventions for children with disruptive behavior disorders., Methods: We searched Medline (via PubMed), Embase, and PsycINFO. Two reviewers assessed studies against predetermined inclusion criteria. Data were extracted by 1 team member and reviewed by a second. We categorized interventions as having only a child component, only a parent component, or as multicomponent interventions., Results: Sixty-six studies were included. Twenty-eight met criteria for inclusion in our meta-analysis. The effect size for the multicomponent interventions and interventions with only a parent component had the same estimated value, with a median of -1.2 SD reduction in outcome score (95% credible interval, -1.6 to -0.9). The estimate for interventions with only a child component was -1.0 SD (95% credible interval, -1.6 to -0.4)., Limitations: Methodologic limitations of the available evidence (eg, inconsistent or incomplete outcome reporting, inadequate blinding or allocation concealment) may compromise the strength of the evidence. Population and intervention inclusion criteria and selected outcome measures eligible for inclusion in the meta-analysis may limit applicability of the results., Conclusions: The 3 intervention categories were more effective than the control conditions. Interventions with a parent component, either alone or in combination with other components, were likely to have the largest effect. Although additional research is needed in the community setting, our findings suggest that the parent component is critical to successful intervention., (Copyright © 2015 by the American Academy of Pediatrics.)

Background: The preparticipation physical evaluation (PPE) often serves as the only preventive health care visit for athletes, but immunization status is not uniformly addressed in such visits. Thus, athletes may not be receiving recommended immunizations. Our aim was to determine the proportion of high school senior athletes who received all recommended immunizations., Hypothesis: Our hypothesis was that females would be less likely than males to receive all recommended immunizations given suboptimal human papillomavirus (HPV) vaccine uptake., Methods: We conducted a cross-sectional survey evaluation of the immunization status of high school senior athletes in Davidson County, TN. The primary composite outcome was receipt of recommended immunizations for tetanus, meningococcal, and seasonal influenza. For females, the primary outcome also included completion of the HPV series., Results: A total of 162 participants, 104 males and 58 females, were included. More males than females received all recommended immunizations (15.4% vs 3.5%; P = 0.02). When HPV immunization was excluded from the composite outcome, there was no difference in the proportion of males and females who received all recommended immunizations (15.4% vs 15.5%; P = 0.98). The odds of receiving all recommended immunizations was 0.14 (95% CI, 0.03-0.72) for females compared with males when adjusted for covariates. Athletes seen at retail-based clinics for their PPE were less likely to receive all recommended immunizations compared with athletes seen in primary care (OR, 0.13; 95% CI, 0.02-0.69)., Conclusions: Only 1 in 6 high school senior athletes received the recommended tetanus, meningococcal, and influenza immunizations. A lower proportion of females, only 1 in 28, received all recommended immunizations due to the HPV series. Policy changes requiring a review of immunizations at the PPE would benefit many high school athletes.