Background:Bony stress injuries (BSIs) are common among adolescents involved in high school sports. A better understanding of factors that contribute to adolescent BSI is needed to target preventative measures.Hypothesis:Individuals who suffer a BSI will demonstrate significant differences in training methods, sleep, diet, and history of injury compared with a healthy, noninjured control group.Study Design:Descriptive epidemiologic study.Methods:Data from the National High School Stress Fracture Registry (NHSSFR), an internet-based adolescent BSI survey, were used to identify variables reported with adolescent (13-18 years of age) BSI. These findings were compared with a survey of 100 (50 males, 50 females) healthy athletic controls to identify significant differences between healthy adolescents and those with BSI.Results:A total of 346 stress fractures were reported in 314 (206 females, 108 males) athletes within the NHSSFR. Comparison with healthy control participants demonstrated multiple significant findings. In particular, body mass index was significantly lower for patients with BSI injury compared with controls ( P < 0.001). Patients slept significantly less than the control group (7.2 vs 7.95 hours; F = 34.41; P < 0.001). Females also slept significantly less hours than males (7.2 vs 7.63 hours; F = 11.02; P < 0.001). Fifty-eight percent of those who reported a BSI did not engage in any weight training. Those with a BSI had significantly higher average stress ratings than control participants (1.67 vs 1.42; P < 0.001), and females also rated their stress levels significantly higher than males (1.8 vs 1.38; P < 0.001). A significant difference between patients with any BSI and control participants existed for history of “shin splints” (Pearson χ2= 28.31; P < 0.001), and females also expressed having shin pain lasting for longer than 4 weeks (Pearson χ2= 8.12; P < 0.001) and more often (Pearson χ2= 5.84; P = 0.02) than males. There was also a significant difference between patients with BSI and control subjects regarding dairy intake (2.25 vs 2.69; F = 6.43; P = 0.01).Conclusion:Findings revealed significant differences between those who reported a BSI relative to healthy athletic adolescents. These differences included body mass index, prior history of shin splints, involvement in weight training, amount of sleep, daily stress, and dairy intake. Preventive measures should be developed to address these areas to reduce the incidence of BSIs in the adolescent population.
Background:The incidence of adolescent overuse injuries, including bone stress injuries (BSIs), is on the rise. The identification of a BSI in the early stages is key to successful treatment. The Shin Pain Scoring System (SPSS) was developed to aid clinicians in identifying patients with a BSI.Hypothesis:The SPSS will correlate with magnetic resonance imaging (MRI) grading of a BSI in an adolescent population.Study Design:Cohort study (diagnosis); Level of evidence, 2.Methods:Enrolled in this study were 80 adolescent high school athletes between the ages of 13 and 18 years participating in a variety of sports with more than 1 week of atraumatic shin pain. The SPSS questionnaire was completed for each participant, and physical examination findings were recorded. Each question and physical examination item was allotted a point value, which totaled 29 points. Radiographs and MRI scans of both lower legs were obtained for each participant. The SPSS score was statistically analyzed using logistic regression, a classification matrix, and a 2 × 2 contingency table to evaluate validity and predictability.Results:Logistic regression analysis of our data determined that 3 categories of SPSS scores provided the highest diagnostic value when compared with MRI grading based on the Fredericson classification (0-4). The SPSS correctly identified 43.5% of injuries for category 1 (MRI grades 0-1), 62.5% for category 2 (MRI grade 2), and 50.0% for category 3 (MRI grades 3-4). Overall, the SPSS correctly identified the degree of BSI in 54.4% of all tibias studied. Binary analysis for validity demonstrated a sensitivity of 96%, specificity of 26%, positive predictive value of 76%, and negative predictive value of 71% for the SPSS relative to the “gold standard” MRI results.Conclusion:The SPSS is a potentially valid method to identify tibial BSIs, given the sensitivity and negative and positive predictive values. It also provides helpful categorization to alert clinicians to the presence of a BSI and direct further diagnostics and/or interventions. The SPSS should be considered as an additional tool to use when evaluating adolescents with atraumatic tibial BSIs.
A remotely delivered cognitive behavioral coaching (CBC) program was offered as a service benefit for commercial health plan members with low back pain (LBP). This study describes changes in self-rated functional disability in a sample of plan members participating in the program ( N = 423). Methods: Independent measures included demographics, length of program enrollment, total CBC sessions, and baseline self-reported patient activation and presenteeism levels. Participants rated their functional disability level due to LBP using the Oswestry Disability Index (ODI). Dependent outcomes quantified change in participant functional disability rating (final ODI score minus baseline ODI score). Nonparametric tests compare differences between groups and within-group ODI score change. Two generalized linear models test for associations between independent variables and the ODI change score. Results: A significant difference between baseline and final ODI scores was observed at the overall program level ( p < .001) and within all independent variable categories of interest. Over 68% of total participants ( n = 289) reported improved functional ability from baseline to final (decrease in ODI score). Participants who completed more CBC sessions demonstrated significantly greater improvement in functional ability ( p = .038) compared to those who completed fewer sessions. Participants aged 55 and older were significantly more likely to show deterioration in functional ability from baseline to final ( p = .021). Conclusion: Outcomes suggest that program participation can influence self-rated functional disability in the management of LBP.
Background: There is much concern over the incidence of concussion in high school sports, with a growing focus on soccer, necessitating the need for legislation and formal rule changes for safety reasons. Objective: To note differences in concussive injury between boys and girls soccer and determine the change in reported concussion rates from 2011 vs. 2017 in order to study the impact of legislation and rule changes on the rates of concussion in high school soccer in the state of New Jersey. Design: Comparative Study Methods: Licensed athletic trainers working in the secondary school setting in the state of New Jersey voluntarily participated in an online survey on the incidence of concussion in boys and girls soccer. This de-identified data was compared with data collected from a similar survey conducted in 2011. Results: In 2017 there were 168 concussions occurred among 3255 male soccer athletes. Eight-five percent of concussions (145/168) occurred during games, with the remainder occurring in practice. Forty-five percent (76/168) occurred to varsity players with the majority occurring during games (84%). Fewer concussions were reported to junior varsity and freshman players.. In 2017, Incidence Rate (IR) for all male soccer athletes was calculated at 0.36 concussions per 1000 athletic exposures (AE). Injury Proportion (IP) was 5%. Clinical Incidence was 0.05 concussions per athlete. This represented a 38% increase in IR/1000 AE from 2011 to 2017, and a 39% increase in IP 2011 vs 2017 In 2017, a total of 2604 female soccer athletes, reported 195 concussions with the majority occurring during games (83%). Varsity athlete reported the higher number of concussions relative to junior varsity and freshman soccer athletes IR/1000 AE was 0.48 vs 0.43 in 2011 (12% increase), while IP was 7% vs 6% in 2011 (17% increase Females had a greater IR/1000 AE than males (.48 vs. .36). Clinical incidence was also greater for female soccer athletes than male soccer athletes (0.075 vs. 0.05). Conclusion: Despite legislation and rule changes, the incidence of concussion in both boys and girls high school soccer is increasing and particularly during games. Playing at the varsity level and game play has the highest association with injury and should be subject to greater scrutiny. Additionally, more concussions are occurring to female soccer athletes than male players. This information provides a snapshot of a significant problem that deserves greater attention. [Table: see text][Table: see text]
Background: It is difficult to diagnose and grade bony stress injury (BSI) in the athletic adolescent population without advanced imaging. Radiographs are recommended as a first imaging modality, but have limited sensitivity and, even when findings are present, advanced imaging is often recommended. Hypothesis: It was hypothesized that the significance of radiographs is underestimated for BSI in the adolescent with positive clinical examination and history findings. Study design: Case series Level of evidence: Level 4 Methods: A total of 80 adolescent athletes with a history of shin pain underwent clinical examination by an orthopaedic surgeon. On the day of clinical examination, full-length bilateral tibial radiographs and magnetic resonance imaging (MRI) scans were obtained. MRI scans were reviewed using Fredericson grading for BSI. At the completion of the study, radiographic images were re-evaluated by 2 musculoskeletal (MSK) radiologists, blinded to MRI and clinical examination results, who reviewed the radiographs for evidence of BSI. Radiographic results were compared with clinical examination and MRI findings. Sensitivity, specificity, negative predictive value, and positive predictive value were calculated based on comparison with MRI. Results: All radiographs were originally read as normal. Of the tibia studied, 80% (127 of 160) showed evidence of BSI on MRI. None of the original radiographs demonstrated a fracture line on initial review by the orthopaedic surgeons. Retrospective review by 2 MSK radiologists identified 27% of radiographs (34 of 127) with evidence of abnormality, which correlated with clinical examination and significant findings on MRI. Review of radiographs found evidence of new bone on 0 of 28 Fredericson grade 0, 0 of 19 Fredericson grade I, 11 of 80 (13.7%) Fredericson grade II, 18 of 28 (64%) Fredericson grade III, and 5 of 5 (100%) Fredericson grade IV. Sensitivity of radiographs showed evidence of new bone on 27% (34 of 127) of initial radiographs, with presence more common with greater degree of BSI, as 23 of 33 (70%) were higher-grade injuries (III of IV) of BSI. Specificity and positive predictive value were 100%, while negative predictive value was 17%. Conclusion: These findings highlight the importance of initial radiographs in identifying high-grade BSI. As radiographs are readily available in most office settings of sports medicine physicians, this information can influence the management of adolescent athletic BSI without the need to delay treatment to obtain an MRI. Clinical Relevance: Adolescent athletes with radiographic evidence of BSI should be treated in a timely and more conservative manner, given the likelihood of higher-grade BSI. In addition, clinicians knowledgeable of the radiographic findings of high-grade BSI should feel more confident that a negative initial radiograph is not likely to be a high-grade BSI and can modify their treatment plans accordingly.
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