Snezana Damjanovic, Carlo Rossi, Nikola Manolopoulos, Tamara Matijevic, Dajana Korpak, Admir Kurtanovic, Vanja Murtin, Mia Stanojevic, Valerio Giustino, Roberto Roklicer, Antonino Bianco, Patrik Drid
{"title":"Doping in combat sports: a systematic review.","authors":"Snezana Damjanovic, Carlo Rossi, Nikola Manolopoulos, Tamara Matijevic, Dajana Korpak, Admir Kurtanovic, Vanja Murtin, Mia Stanojevic, Valerio Giustino, Roberto Roklicer, Antonino Bianco, Patrik Drid","doi":"10.1080/00913847.2025.2449812","DOIUrl":"10.1080/00913847.2025.2449812","url":null,"abstract":"<p><strong>Purpose: </strong>This systematic review aims to synthesize the current research on doping in combat sports, examining the prevalence, detection methods, prevention strategies, and overall impact on combat sports.</p><p><strong>Design/methodology/approach: </strong>Of the 21 identified articles, six met the inclusion criteria. A systematic approach was used, including content analysis based on specific criteria: articles in English, original research, and relevance to sport and doping.</p><p><strong>Findings: </strong>The review reveals an unsettling prevalence of doping across combat sports, suggesting that current detection and prevention efforts may be insufficient to address the unique pressures and risks within these disciplines. In particular, substances like anabolic agents, diuretics, hormone modulators, and NSAIDs are commonly detected, especially among athletes in heavier weight categories and those engaging in rapid weight loss. Psychological and social factors, including social norms and perceived acceptance within athletic environments, appear to play a significant role in shaping doping behaviors, complicating prevention efforts. Beta-agonists emerged as the sixth most frequent cause of adverse analytical findings (AAF) in 2020, according to WADA data, while kickboxing had the highest AAF rate among combat sports in a 2015 report. These trends suggest a pressing need for more comprehensive, nuanced approaches to regulation.</p><p><strong>Research limitations/implications: </strong>Limited to English-language articles The honesty of athletes about their experience in doping could have influenced the results.</p><p><strong>Originality/value: </strong>As the first systematic review on doping in combat sports, this study offers valuable insights and underscores the urgency of developing anti-doping policies and it provides insightful data for future research directions for addressing doping in these disciplines.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-9"},"PeriodicalIF":1.9,"publicationDate":"2025-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142928436","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":"Comparing peer relationship ratings among adolescents with sport and Non-sport Related Concussions.","authors":"Hunter Iverson, Katherine Smulligan, Catherine Donahue, Joshua Kniss, Mathew Wingerson, Julie Wilson, David Howell","doi":"10.1080/00913847.2025.2450216","DOIUrl":"https://doi.org/10.1080/00913847.2025.2450216","url":null,"abstract":"<p><strong>Objective: </strong>To evaluate if peer relationship ratings differ among adolescents who sustain a sport-related concussion compared to those who sustain a non-sport-related concussion.</p><p><strong>Study design: </strong>We conducted a cross-sectional investigation of 123 adolescents who sustained a concussion within 21 days before their initial post-injury evaluation (mean = 9.2 ± 3.9 days post-concussion). Participants reported whether their injury occurred during organized sport participation (sport-related concussion group) or not (non-sport-related concussion group). Participants completed the PROMIS Global Pediatric 25 assessment, as well as the Post-Concussion Symptom Inventory (PCSI) to rate concussion symptom severity and a background/demographic intake form during the evaluation. We compared PROMIS peer relationship ratings between groups using independent t-tests and evaluated the association between peer relationship ratings and sport-related concussion using multiple linear regression after adjusting for covariates including PROMIS anxiety rating, age, sex, concussion and musculoskeletal injury history, loss of consciousness at time of concussion, physical activity participation prior to study evaluation, and concussion symptom severity.</p><p><strong>Results: </strong>Most (<i>N</i> = 96, 78%) participants reported sustaining a concussion during sports. The group who sustained sport-related concussion reported significantly better post-concussion peer relationship ratings compared to the group who sustained a non-sport-related concussion (52.7 ± 7.7 vs. 47.7 ± 10.4; <i>p</i> = 0.009, Cohen's d = 0.60). After covariate adjustment, those who sustained a sport-related concussion had a significantly greater post-concussion peer relationship rating than those who sustained a non-sport-related concussion (β = 4.19, 95% CI = 0.39, 8.00; <i>p</i> = 0.03). Higher peer relationship ratings were also associated with lower anxiety ratings following concussion (β= -0.21, 95% CI= -0.38, -0.04; <i>p</i> = 0.03).</p><p><strong>Conclusion: </strong>Adolescents who sustained a concussion during sports reported significantly greater post-concussion peer relationship ratings than those in non-sport settings. Better peer relationship ratings were associated with less anxiety in the post-injury period. These findings suggest the potential effects of contextual factors (e.g. peer support) to facilitate improved outcomes following adolescent concussion.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2025-01-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142933492","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}
Kana Kon, Yasuharu Nagano, Shogo Sasaki, Makoto Suzukawa
{"title":"Effects of early sports specialization on landing and balance ability in female college basketball players.","authors":"Kana Kon, Yasuharu Nagano, Shogo Sasaki, Makoto Suzukawa","doi":"10.1080/00913847.2024.2445497","DOIUrl":"10.1080/00913847.2024.2445497","url":null,"abstract":"<p><strong>Objectives: </strong>Early specialization in a single sport from childhood is associated with an increased risk for acute and overuse injuries. Conversely, experience in multiple sports may be associated with improved neuromuscular control and performance. Currently, early sports specialization remains poorly researched in Japan. Therefore, this study aimed to clarify the relationship between early sports specialization and landing and balance ability in Japan.</p><p><strong>Methods: </strong>Thirty-eight female college basketball players were included and divided into the early specialization and nonspecialization groups. Landing and balance ability was measured using the one-leg jump-landing test, and the Star Excursion Balance Test (SEBT) differences between the two groups were examined using unpaired <i>t</i>-test.</p><p><strong>Results: </strong>Results showed no significant differences in SEBT between the two groups. In the one-leg jump-landing test, the vertical maximum ground reaction force and loading rate of the nondominant foot were significantly higher in the early specialization group than in the nonspecialization group.</p><p><strong>Conclusion: </strong>Thus, in female college basketball players, early specialization may affect ground reaction forces and loading rate and may be a factor in developing acute and overuse injuries.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-5"},"PeriodicalIF":1.9,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142856205","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}
Katherine J Hunzinger, Katelyn M Costantini, C Buz Swanik, Thomas A Buckley
{"title":"Diagnosed concussion is associated with increased risk for upper extremity injury in community rugby players in males only.","authors":"Katherine J Hunzinger, Katelyn M Costantini, C Buz Swanik, Thomas A Buckley","doi":"10.1080/00913847.2024.2445500","DOIUrl":"https://doi.org/10.1080/00913847.2024.2445500","url":null,"abstract":"<p><strong>Objectives: </strong>To cross-sectionally determine 1) the association between lifetime diagnosed concussion and upper extremity musculoskeletal injury (UE-MSI) amongst a novel cohort of community rugby union players and 2) the sex specific risk of UE-MSI given concussion history among these rugby players.</p><p><strong>Methods: </strong>1,037 (31.0% female, 31.6 + 11.3 years) rugby players completed an online survey to determine lifetime history of diagnosed concussion (yes; no) and UE-MSI (yes; no). A chi-squared test of association was performed between concussion and any UE-MSI; odds ratio risk was also determined. Analyses were repeated by sex (male; female) and with specific UE-MSI (e.g. sprains, broken bones, dislocations).</p><p><strong>Results: </strong>There was a significant association between concussion and any UE-MSI for this cohort (χ(1) = 10.802, <i>p</i> = 0.001, OR = 1.70 [95%CI: 1.23-2.32]). There was a significant association between concussion and any UE-MSI among males for (χ(1) = 13.612, <i>p</i> < 0.001, OR = 2.20 [95%CI: 1.4-3.3]) but not among females (χ(1) = 0.735, <i>p</i> = 0.391, OR = 1.20 [95%CI: 0.8-2.0]).</p><p><strong>Conclusions: </strong>Community rugby players with a history of diagnosed concussion are at 1.7× increased odds for history of any UE-MSI compared to rugby players who are concussion naïve; sex specific analyses revealed only increased risk among males. Sports medicine professionals and rugby stakeholders should view concussions as a risk factor and utilize established injury prevention programs to help reduce future UE-MSI in athletes.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":""},"PeriodicalIF":1.9,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142878118","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}
Caitlynn Slocum, Jody L Langdon, Barry A Munkasy, Benjamin Brewer, Jessie R Oldham, Vicky Graham, Thomas A Buckley
{"title":"Multifaceted concussion assessment battery: sensitivity at the expense of specificity?","authors":"Caitlynn Slocum, Jody L Langdon, Barry A Munkasy, Benjamin Brewer, Jessie R Oldham, Vicky Graham, Thomas A Buckley","doi":"10.1080/00913847.2024.2442901","DOIUrl":"10.1080/00913847.2024.2442901","url":null,"abstract":"<p><strong>Objectives: </strong>A multifaceted assessment battery is recommended for testing suspected concussed athletes; however, the individual tests have limitations and potentially may lead to false positive outcomes. Therefore, the purpose of this study was to psychometrically evaluate concussion assessment tools used for intercollegiate student-athletes, with a focus on the time interval between baseline and subsequent assessments.</p><p><strong>Methods: </strong>Ninety-two collegiate student-athletes matched between concussion (<i>N</i> = 46. F32/M14) and non-concussion (<i>N</i> = 46, 32F/14 M) completed the standard assessment of concussion, balance error scoring system, symptom questionnaire, and computerized neurocognitive tests at baseline and acutely (<48 h) following a concussion. Test outcomes were compared between time points with three approaches: 1) vs baseline, 2) reliable change scores (RCI), and 3) vs American College of Rehabilitation Medicine (ACRM). Concussion assessment sensitivity, specificity, likelihood ratios, predictive values, and diagnostic odds ratio were calculated. A receiver operator characteristic compared area under the curve (AUC) for the overall battery as well as between academic years.</p><p><strong>Results: </strong>The sensitivity of the battery was high (78.3-95.7%), but specificity was low to moderate (6.5-52.2%) with comparison to the RCI typically performing best. The three approaches yielded AUC values between 0.51 and 0.63 which is below the discriminatory threshold (0.70) with comparison to RCI performing best. By academic year, Juniors was the only year in which the ROC exceeded the threshold (0.75). The number of tests failed did not improve any AUC values (0.51-0.69) to exceed the threshold.</p><p><strong>Conclusions: </strong>The outcomes of this study support the premise that concussion must be evaluated using a comprehensive clinical examination including a variety of assessments to evaluate each clinical domain. Clinicians need to recognize that the multifaceted assessment battery has high sensitivity, but the overall psychometrics do not exceed the threshold for group discrimination and caution must be used in their interpretation.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-10"},"PeriodicalIF":1.9,"publicationDate":"2024-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142839470","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}
James Brown, Gordon Ward Fuller, Warren McDonald, Karen Rasmussen, Thomas Sawczuk, Mark Gilthorpe, Ben Jones, Éanna Cian Falvey
{"title":"Assessment of an eye-tracking tool to discriminate between concussed and not concussed professional male rugby players: a cohort study.","authors":"James Brown, Gordon Ward Fuller, Warren McDonald, Karen Rasmussen, Thomas Sawczuk, Mark Gilthorpe, Ben Jones, Éanna Cian Falvey","doi":"10.1080/00913847.2024.2442294","DOIUrl":"10.1080/00913847.2024.2442294","url":null,"abstract":"<p><strong>Objectives: </strong>Concussion is a common injury in rugby union ('rugby') and yet its diagnosis is reliant on clinical judgment. Oculomotor testing could provide an objective measure to assist with concussion diagnosis. NeuroFlex® evaluates oculomotor function using a virtual-reality headset. This study examined differences in NeuroFlex® performance in clinician-diagnosed concussed and not concussed elite male rugby players over three seasons.</p><p><strong>Methods: </strong>NeuroFlex® testing was completed alongside 140 head injury assessments (HIAs) in 122 players. The HIA is used for suspected concussion events. Of these 140 HIAs, 100 were eventually diagnosed as concussed, 38 were not concussed (2 were unclear) Eight of the 61 NeuroFlex® metrics were analysed as they were comparable at all time points. These eight metrics, from three oculomotor domains (vestibulo-ocular reflex, smooth pursuit and saccades), were tested for their ability to distinguish between concussed and not concussed players using mean difference / odds ratios and corresponding 95% confidence intervals (CI's). General and generalised linear mixed models, accounting for baseline test performance, were used to determine any meaningful differences in concussed and not concussed players. The diagnostic accuracy of these differences was provided by the area under the receiver operating curve (AUC).</p><p><strong>Results: </strong>Only one of the eight metrics (number of saccades, smooth pursuit domain) had clear differences in performance between concussed and not concussed players at the HIA during the match (odds ratio: 0.76, 95%CI: 0.54-0.98) and after 48 hours (0.74, 95%CI: 0.52-0.96). However, the direction of this difference was contrary to clinical expectations (concussed performed better than not concussed) and the AUC for this outcome was also poor (0.52).</p><p><strong>Conclusion: </strong>NeuroFlex® was unable to distinguish between concussed and not concussed players in this elite male cohort. Future research could study other cohorts, later time points before return to play, and the tool's role in rehabilitation.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-8"},"PeriodicalIF":1.9,"publicationDate":"2024-12-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142856271","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}
Steven P Gawrys, Holly Wilson, Alexander K Matthias, Andrew J Roush, David C VandeMerwe, Lawsen Parker, Evan G Starr, Westin J Wong, Ryan Enslow, Ben Wilde, Isain Zapata, Brent Pickett
{"title":"Stretch & exercise education improves pain levels in under-resourced collegiate club lacrosse players.","authors":"Steven P Gawrys, Holly Wilson, Alexander K Matthias, Andrew J Roush, David C VandeMerwe, Lawsen Parker, Evan G Starr, Westin J Wong, Ryan Enslow, Ben Wilde, Isain Zapata, Brent Pickett","doi":"10.1080/00913847.2024.2443389","DOIUrl":"10.1080/00913847.2024.2443389","url":null,"abstract":"<p><strong>Purpose: </strong>Club sports are competitive, intercollegiate athletics that are not affiliated with the National Collegiate Athletic Association (NCAA). Club athletes may be at increased risk of injury compared to their NCAA counterparts due to limited resources, such as reduced access to strength and conditioning coaches and athletic trainers. Research has shown that injury-prevention education, as typically provided by coaches and trainers, can reduce injury rates and promote athlete compliance with safety practices.</p><p><strong>Objective: </strong>This prospective cohort study investigates the impact of educational interventions on pain levels and injury rates in club collegiate men's lacrosse athletes.</p><p><strong>Design: </strong>Investigators conducted an educational session on injury prevention, which included instruction on stretches and exercises. The treatment group included 66 athletes, while 46 athletes served as the control group.</p><p><strong>Results: </strong>Pain levels significantly decreased by 1.549 (out of a self-reported scale of 10) (35.11%) (<i>p</i> = 0.0001). Although the average number of practices and games missed due to injury decreased by 0.579 in the treatment group compared to the control, this difference was not statistically significant (<i>p</i> = 0.5970).</p><p><strong>Conclusion: </strong>Educational interventions focused on injury-prevention stretches and exercises appear to be effective in reducing pain among club athletes. While the reduction in missed practices and games was not statistically significant, these findings suggest that such educational programs may help mitigate injuries in under-resourced athletes. Further exploration of strategies to enhance these interventions and decrease injuries among club athletes is warranted.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-8"},"PeriodicalIF":1.9,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142824831","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}
Jessica Thomas, Owen Tomlinson, Genevieve Williams, Bert Bond
{"title":"Exploring concussion prevalence, knowledge and reporting behaviours in women playing rugby union in the United Kingdom.","authors":"Jessica Thomas, Owen Tomlinson, Genevieve Williams, Bert Bond","doi":"10.1080/00913847.2024.2439239","DOIUrl":"10.1080/00913847.2024.2439239","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study was to capture information regarding concussion prevalence, knowledge, and reporting behaviors in women rugby players across all competitive levels in the UK. We also investigated whether these outcomes were influenced by the prevailing concussion awareness programme (HEADCASE).</p><p><strong>Measures: </strong>Two hundred and thirty players from elite (Premiership), Championship, British Universities, and College Sport and club level completed (<i>n</i> = 133) or partially completed (<i>n</i> = 97) a mixed-methods online questionnaire.</p><p><strong>Results: </strong>Over a mean period of 8 years, 159 players (74%) experienced at least one suspected or diagnosed rugby-related concussion. In total, 408 rugby-related concussions were reported in these players during this time. Prevalence of concussion did not differ across playing level or position. Being tackled was the most common cause of rugby-related concussions, and the act of tackling another player was second. Players across all levels demonstrated good knowledge of concussion symptoms, but only 12% identified that concussion can occur without direct impact to the head. One hundred and forty-six players completed the HEADCASE training (mandatory for Premiership players). Forty-one percent of players admitted to deliberately failing to report a suspected rugby concussion, and this behavior was not influenced by HEADCASE training. These individuals were more likely to avoid reporting a suspected concussion during an important (e.g. semifinal or final) than unimportant (e.g. training) scenario. Those who underwent the graduated return to play pathway (<i>n</i> = 41) were significantly more likely to have completed HEADCASE training.</p><p><strong>Conclusion: </strong>The prevalence of concussion in women's rugby union is high but does not differ by playing level or position. All players had a good knowledge of concussion symptoms, but many were unaware that concussions may occur without direct impact to the head. Almost half of all players admitted to deliberately failing to report a suspected concussion, and this was not significantly influenced by the completion of HEADCASE training.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-9"},"PeriodicalIF":1.9,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142792775","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}
William ElNemer, Zaid Elsabbagh, Miguel A Cartagena-Reyes, Gabriel Nazario-Ferrer, Sangjun Park, Jacob D Mikula, Amit Jain, Matthew J Best
{"title":"Impact of anterior cruciate ligament tears on player efficiency ratings and salary in National Basketball Association over the past 20 years: a retrospective case control study.","authors":"William ElNemer, Zaid Elsabbagh, Miguel A Cartagena-Reyes, Gabriel Nazario-Ferrer, Sangjun Park, Jacob D Mikula, Amit Jain, Matthew J Best","doi":"10.1080/00913847.2024.2441108","DOIUrl":"10.1080/00913847.2024.2441108","url":null,"abstract":"<p><strong>Objectives: </strong>Players in the National Basketball Association (NBA) are at high risk for ACL tears which are detrimental to their career due to the months of rehabilitation. The authors hypothesize that after anterior crucial ligament (ACL) injury, older players will be less likely to return to the NBA, players that do return will have a lower performance efficiency rating (PER), and the decrease in PER will be associated with a lower salary.</p><p><strong>Methods: </strong>This case-control study utilized the publicly available database maintained by the NBA, professional basketball players from 2002 to 2022 who suffered an ACL tear were identified. Controls, without ACL tears, were matched by age, BMI, position, race, and average minutes played before the injury date to uninjured controls. Return to NBA, pre-injury and post-return player efficiency ratings (PER), and salary change after injury were analyzed by multivariate analyses.</p><p><strong>Results: </strong>A total of 67 players suffered an ACL tear. Fifty-six (83.6%) players returned to the NBA at some point after their injury, while 11 (16.4%) did not. Multivariate logistic regression showed that older age and the presence of multi-ligament injury predicted retiring from the NBA (ß = 1.4 and 10.7). Older age and greater minutes played before surgery to be the only significant predictors of decreased PER after return to the NBA (ß = -0.5 and -0.2). Players with a multiyear contract and with improvements in PER after injury tended to have greater salary increases (ß = 6.5 and 0.7). All <i>p</i> < 0.05. PER in players with ACL tears decreased by about 3 points (13.1 to 9.9) compared to controls without ACL tears (13.2 to 12.9).</p><p><strong>Conclusion: </strong>Older age and multiligament injuries are associated with retiring for the NBA; older and increased minutes played are associated with a decreased PER upon return; and, PER decreases are associated with decreased salary. Players with ACL tears, even when case-control matched, showed decreased PER upon return. These results can be attributed to age-related changes in athleticism and health.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-9"},"PeriodicalIF":1.9,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142808531","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}
Natália Vilela Silva Daniel, Diogo Thimoteo da Cunha, Taisa Belli, Andrea Maculano Esteves
{"title":"Cross-cultural adaptation and validation of the nutrition knowledge questionnaire for ultra-endurance athletes (ULTRA-Q) for Brazil.","authors":"Natália Vilela Silva Daniel, Diogo Thimoteo da Cunha, Taisa Belli, Andrea Maculano Esteves","doi":"10.1080/00913847.2024.2439243","DOIUrl":"10.1080/00913847.2024.2439243","url":null,"abstract":"<p><strong>Aims: </strong>This study aimed to perform a cross-cultural adaptation and validate a questionnaire to assess the nutrition knowledge of Brazilian ultra-endurance athletes.</p><p><strong>Methods: </strong>This is an observational and cross-sectional study, which adapted and validated the Nutritional Knowledge Questionnaire for Ultra-endurance Athletes (ULTRA-Q). ULTRA-Q was translated into Portuguese, and then the translated version was assessed for semantic, idiomatic, cultural and conceptual equivalence by six specialist nutritionists. In addition to suggesting adaptations to the questionnaire, the experts evaluated the clarity and relevance of the items, calculating the Content Validity Coefficient (CVC). The adapted version was applied to 46 ultra-endurance athletes to evaluate reproducibility and validity. After the test-retest, the instrument was also answered by 54 nutritionists, to evaluate the construct validity of the questionnaire.</p><p><strong>Results: </strong>The Brazilian version (ULTRA-QBR) of the questionnaire for ultra-endurance athletes had adequate CVC for clarity (0.97) and pertinence (0.95), and presented adequate discriminant validity. The data from the intraclass correlation coefficient indicates good reproducibility of the questionnaire, and the difference observed between athletes and nutritionists reinforces the evidence of the questionnaire's construct validity.</p><p><strong>Conclusion: </strong>The results demonstrate content, construct and discriminant validity, test-retest reproducibility, and internal consistency of the ULTRA-QBR. We concluded that this questionnaire can be used as an interesting tool in research and clinical practice in ultra-endurance sports.</p>","PeriodicalId":51268,"journal":{"name":"Physician and Sportsmedicine","volume":" ","pages":"1-7"},"PeriodicalIF":1.9,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142815023","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}