Carson H Gardner, Jacob L Kotlier, Amir Fathi, Justin Castonguay, Ashley A Thompson, Ioanna K Bolia, Frank A Petrigliano, Joseph N Liu, Alexander E Weber, Seth C Gamradt
{"title":"NCAA football players are at higher risk of upper extremity injury after first-time concussion","authors":"Carson H Gardner, Jacob L Kotlier, Amir Fathi, Justin Castonguay, Ashley A Thompson, Ioanna K Bolia, Frank A Petrigliano, Joseph N Liu, Alexander E Weber, Seth C Gamradt","doi":"10.1080/00913847.2024.2327275","DOIUrl":"https://doi.org/10.1080/00913847.2024.2327275","url":null,"abstract":"Previous research has demonstrated that concussions increase the risk of subsequent lower extremity musculoskeletal injury in athletes. However, the risk of upper extremity injury in athletes’ post...","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140038080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
R Timothy Kreulen, Micheal Raad, Farah N Musharbash, Suresh K Nayar, Matthew J Best, Varun Puvanesarajah, Majd Marrache, Uma Srikumaran, John H Wilckens
{"title":"Factors associated with RVU generation in common sports medicine procedures.","authors":"R Timothy Kreulen, Micheal Raad, Farah N Musharbash, Suresh K Nayar, Matthew J Best, Varun Puvanesarajah, Majd Marrache, Uma Srikumaran, John H Wilckens","doi":"10.1080/00913847.2021.1907258","DOIUrl":"https://doi.org/10.1080/00913847.2021.1907258","url":null,"abstract":"<p><strong>Introduction: </strong>Relative value units (RVUs) are integral to the U.S. physician compensation system used by the Centers for Medicare & Medicaid Services. The use of 'work RVUs' (herein, wRVUs) is intended to reimburse physicians according to the amount of expertise and effort needed to safely and effectively perform a procedure. Our purpose was to determine: 1) the number of wRVUs/hour generated by common sports medicine surgical procedures; and 2) how patient characteristics, surgical approach, and practice setting are associated with the number of wRVUs/hour. This analysis was performed to infer whether wRVUs are assigned appropriately according to the factors on which they are purported to be based.</p><p><strong>Methods: </strong>We queried the American College of Surgeons' National Surgical Quality Improvement Program (NSQIP) database for common sports medicine surgical procedures performed in 2018. Data from 19,877 patients (8,258 women) with a mean age of 48 years (range, 18-90) who underwent a surgical sports medicine procedure were analyzed. Work RVUs and operative time were used to calculate work RVUs/hour for each surgical procedure. Univariate and multivariate analyses were used to assess correlations between patient characteristics and wRVUs/hour.</p><p><strong>Results: </strong>Knee chondroplasty generated the most mean (± standard deviation) wRVUs/hour at 22 ± 0.5, whereas 'open tenodesis of biceps tendon, long head' generated the least at 9.6 ± 0.25 wRVUs/hour. Factors associated with a greater mean number of wRVUs/hour were younger patient age, female sex, arthroscopic approach, and outpatient setting. Arthroscopic procedures also generated more wRVUs/hour than the same procedures performed through an open approach. wRVUs were not correlated with case complexity or surgical time.</p><p><strong>Conclusion: </strong>wRVUs/hour in surgical sports medicine procedures vary widely depending on the procedure type, patient characteristics, surgical approach, and practice setting.</p>","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"233-238"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1907258","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25505066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fatigue fractures after the COVID-19 quarantine.","authors":"Pei Dang, Yinxia Zhao, Minglei Wang, Jing Wu, Jingjing Liu, Ningkui Niu, Xing Ge, Wenxiao Liu, Ruirui Lv, Xuhong Yang, Peng Yong, Xiaodong Wang","doi":"10.1080/00913847.2021.1927232","DOIUrl":"https://doi.org/10.1080/00913847.2021.1927232","url":null,"abstract":"To the editor: We write in response to the outstanding work of ‘Comparison of pediatric sports fracture outcomes based on provider type’, We want to add a type of fracture, Sports related fractures in children fatigue fractures after the COVID-19 quarantine in China, The lesion may easily be mistaken for a malignant tumor or growing pain due to its rapid growth and imaging findings, it should arouse the attention of clinical. In 12 March 2020, the WHO declared Covid-19 outbreak a global pandemic [1]. Epidemiological studies have shown that home-based quarantine is an important strategy to prevent transmission of Covid-19 infections and hence reduce the number of deaths due to Covid-19 [2]. Like students in other regions in China and other countries, students in Yinchuan, Ningxia Region have been taking online home-based courses lasting for about five months (January to May 2020). When enforcement of home-based isolation policy was stopped and the students allowed to attend school from June to July, 2020, 42 students were diagnosed with fatigue fracture of femur and tibia through magnetic resonance examination (MRI) and clinical symptoms, and the incidence of fatigue fracture in this period was significantly higher compared to the same period in previous years. Among the students with fatigue fractures, 26 were male and 16 were female, aged 11 ~ 17 years, with an average age of (14.24 ± 1.72). The chief complaints were dark pain and sore distension of knee joint, of which 34 cases (80.95%) had local mild tenderness, 20 cases (47.62%) had local mass, 10 cases (23.81%) misdiagnosed as growth pain, 7 cases (16.67%) misdiagnosed as bone tumor, and 36 cases (85.71%) had a shortterm history of middle to long-distance running and ball games after returning to school (the form and intensity of sports were similar to those before the outbreak). Fracture sites were segment (29/42) under the femoral and tibial segments (19/42) as revealed by X-ray results of 35.71% (5/14), MRI results of 100.00% (42/42), and Fredericson fracture classification [3] outcomes level III, IV make up the majority (76.19%) (32/42) (Figure 1 through 2 in the supplementary). Less physical activity at home(R = 5.991, P = 0.048) increased sedentary time (R = 12.723,P = 0.009), weight gain(R = 13.397, P = 0.008), and a sudden increase in physical activity within a short period at school (R = 10.786,P = 0.015) were found to be the risk factors for fatigue fracture (Figure 2). At the same time, we speculate that in the early stage of fatigue fracture, students may deliberately reduce or exclude physical exercise due to the pain caused by fracture, thus increasing their sedentary time and thus accelerating the development of osteoporosis [4]. Osteoporosis, in turn, further develops bone fragility and the degree of fracture, which also explains Fredericson fracture classification 3 outcomes level III, IV make up the majority. A questionnaire survey was randomly distributed in Ningxia, Yinch","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"186-188"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1927232","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"38959278","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ramon Toledo, Marcelo Ricardo Dias, Daniel Souza, Raphael Soares, Ronam Toledo, Marcio Lácio, Jeferson Vianna
{"title":"Joint and muscle injuries in men and women CrossFit® training participants.","authors":"Ramon Toledo, Marcelo Ricardo Dias, Daniel Souza, Raphael Soares, Ronam Toledo, Marcio Lácio, Jeferson Vianna","doi":"10.1080/00913847.2021.1892468","DOIUrl":"https://doi.org/10.1080/00913847.2021.1892468","url":null,"abstract":"<p><strong>Objective: </strong>Verify the incidence and rate of joint and muscle injuries with the practice of CrossFit® and the potential risk factors for injuries in men and women.</p><p><strong>Methods: </strong>A total of 184 CrossFit® participants (97 men and 87 women). A questionnaire was conducted based on characterization, training routine, injuries, and additional information. The incidence refers to the number of new cases of injury in the sample during the CrossFit® training. The injury rate was calculated by estimating the number of weekly training hours and converted into the number of injuries per 1000 training hours.</p><p><strong>Results: </strong>Among the participants, 38.6% reported some type of injury, being joint injuries (83.1%) and/or muscle injuries (45.1%). The injury rate was 3.4/1000 h, with men having a higher rate. The location of the joint injuries was shoulders, wrists, and elbows, in addition to the lumbar spine in women. As for muscle injuries, the deltoid, upper back muscles, and quadriceps femoris were the most reported in men and deltoid, trapezius, upper back muscles, and gastrocnemius in women.</p><p><strong>Conclusions: </strong>A better understanding of the anatomical distribution of the injuries may help coaches prescribe the most adequate workout that may reduce the likelihood of injuries occurring in CrossFit® training participants. It was demonstrated that gender, experience, weekly frequency, and previous injuries are important factors, and professionals must be concerned with the assessment of the participants and with an individualized progression in order to avoid risks.</p>","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"205-211"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1892468","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25384976","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Brett Toresdahl, Kathryn McElheny, Jordan Metzl, James Kinderknecht, Brianna Quijano, Brittany Ammerman, Mark Alan Fontana
{"title":"Factors associated with injuries in first-time marathon runners from the New York City marathon.","authors":"Brett Toresdahl, Kathryn McElheny, Jordan Metzl, James Kinderknecht, Brianna Quijano, Brittany Ammerman, Mark Alan Fontana","doi":"10.1080/00913847.2021.1907257","DOIUrl":"https://doi.org/10.1080/00913847.2021.1907257","url":null,"abstract":"<p><strong>Objectives: </strong>To determine how baseline characteristics of first-time marathon runners and training patterns are associated with risk of injuries during training and the race.</p><p><strong>Methods: </strong>First-time adult marathon runners who were registered for the 2017 New York City Marathon were monitored starting 12 weeks prior to the race. Baseline data collection included demographics and running experience. Running frequency, distance, and injury occurrence were self-reported using online surveys every 2 weeks.</p><p><strong>Results: </strong>A total of 720 runners participated of which 675 completed the study. There were 64/675 (9.5%) who had major injuries during training or the race that preventing starting or finishing the race. An additional 332 (49.2%) had minor injuries interfering with training and/or affecting race performance. Injury incidence was not significantly different based on age or sex. Runners who completed a half marathon prior to the study were less likely to report getting injured [multivariable odds ratio (OR) 0.40, (0.22, 0.76), <i>p</i>= 0.005]. Runners who averaged <4 training runs per week during the study were less likely to report getting injured compared to those who averaged ≥4 per week [relative risk 1.36, (1.13-1.63), <i>p</i>= 0.001]. Longest training run distance during the study was inversely associated with race-day injury incidence [OR 0.87 (0.81, 0.94), <i>p</i>< 0.001].</p><p><strong>Conclusion: </strong>Injuries are common among first-time marathon runners. We found that risk of injury during training was associated with lack of half marathon experience and averaging ≥4 training runs per week. Longer training runs were associated with a lower incidence of race-day injuries. These results can inform the development of targeted injury-prevention interventions.</p>","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"227-232"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1907257","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25515311","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Bradley Changstrom, Andrew McBride, Morteza Khodaee
{"title":"Epidemiology of racket and paddle sports-related injuries treated in the United States emergency departments, 2007-2016.","authors":"Bradley Changstrom, Andrew McBride, Morteza Khodaee","doi":"10.1080/00913847.2021.1892467","DOIUrl":"https://doi.org/10.1080/00913847.2021.1892467","url":null,"abstract":"<p><strong>Objective: </strong>Racket and paddle sports are popular worldwide. Although there are several epidemiologic studies on tennis, there are limited epidemiologic studies on injuries in badminton, squash, racquetball, table tennis, pickleball and other racket and paddle sports. We aimed to analyze acute racket and paddle sports injuries that presented to emergency departments.</p><p><strong>Design: </strong>Descriptive epidemiologic study; level of evidence 3.</p><p><strong>Setting: </strong>United States emergency departments (USEDs).</p><p><strong>Methods: </strong>Data from National Electronic Injury Surveillance System (NEISS) were queried to characterize racket and paddle sports-related (RPSR) injuries that presented to USEDs over a 10-year period.</p><p><strong>Results: </strong>From 2007 to 2016, there were 7,723 cases of racket and paddle sports-related (RPSR) injuries that presented to USEDs. This data provides a weighted estimate of 301,038 RPSR injuries in USEDs over the 10-year study period. The majority (60.3) of these injuries were in men. Men had a higher percentage of injuries of most body parts except the lower arm, wrist, and ankle. The mean age at the time of injury was 37 years. The highest percentage of sprains, strains, and lower extremity injuries occurred in athletes between ages 18-40 years. Between sports, table tennis had highest percentage of skin and internal organ injuries while badminton had the highest percentage of sprains, strains, fractures, and dislocations.</p><p><strong>Conclusion: </strong>This study is the largest nationally representative study of RPSR injuries to date. RPSR injuries are varied in their presentation based on age, sex, body location, and type of injury.</p><p><strong>Clinical relevance: </strong>This study determined common RPSR injuries presenting to USEDs, their patterns, and severity over a 10-year period. Researchers and clinicians can begin to use this data for future research studies and may consider this early data in management decisions.</p>","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"197-204"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1892467","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25381839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Kamali Thompson, Gregory Chang, Michael Alaia, Laith Jazrawi, Guillem Gonzalez-Lomas
{"title":"Lower extremity injuries in U.S. national fencing team members and U.S. fencing Olympians.","authors":"Kamali Thompson, Gregory Chang, Michael Alaia, Laith Jazrawi, Guillem Gonzalez-Lomas","doi":"10.1080/00913847.2021.1895693","DOIUrl":"https://doi.org/10.1080/00913847.2021.1895693","url":null,"abstract":"<p><strong>Introduction: </strong>Fencing is growing rapidly in popularity and competitiveness with fencers beginning at a younger age and competing in more tournaments. Even though fencing has a low risk of time-loss injury, fencers are inevitably going to experience injuries if proper athletic training and prevention does not occur. We aim to describe and compare the lower extremity injuries experienced by fencers that have trained at the highest level in the sport. We hypothesized that athletes who fenced longer would suffer more knee and hip injuries and report lower IKDC and HOS scores.</p><p><strong>Methods: </strong>This is an epidemiology study distributed to members of the U.S. national team and Olympic team from 1980 to 2018. The electronic survey included questions regarding age, weapon, number of years fencing, number of national and Olympic teams, injuries on the dominant and nondominant hip and knee, time missed due to injury, and methods for treatment. The survey also included the International Knee Demographic Committee (IKDC) and Hip Outcome Score (HOS).</p><p><strong>Results: </strong>There were 153 national team members between July 1980 and July 2018, 110 with contact information. A total of 77 athletes submitted the survey, consisting of 30 females and 47 males. Female fencers had more hip injuries and lower IKDC and HOS scores than their male counterparts. In total, there were 71 injuries to the dominant (front) knee and 28 injuries to the nondominant (back) knee. There were 32 dominant hip injuries and 5 nondominant hip injuries. Saber fencers reported the most dominant and nondominant hip and knee injuries.</p><p><strong>Conclusion: </strong>The intense, repetitive and asymmetrical movements involved in fencing affect the weight bearing leg and the nondominant leg in all weapons. Special attention should be paid to female fencers as they experience more hip and knee injuries resulting in impaired joint function.</p>","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"212-217"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1895693","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25400121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Knowledge of and experience with transgender players among soccer team staff: a cross-sectional questionnaire design.","authors":"Aya Sadamasu, Satoshi Yamaguchi, Ryuichiro Akagi, Takahisa Sasho, Tsuguo Morikawa, Seiji Ohtori","doi":"10.1080/00913847.2021.1911569","DOIUrl":"https://doi.org/10.1080/00913847.2021.1911569","url":null,"abstract":"<p><strong>Objectives: </strong>Transgender issues have become increasingly prominent in sports. However, knowledge of and experience with supporting transgender players across soccer team staff remain unclear. The objectives of this questionnaire-based study were to 1) clarify staff knowledge of transgender-related terminology; and 2) explore soccer team staff's awareness and experience with supporting transgender players.</p><p><strong>Methods: </strong>A questionnaire was distributed to coaches, physicians, and physical trainers affiliated with soccer teams between 2018 and 2019 to capture 1) participant characteristics (e.g. gender, age, certified license, team categories); 2) their understanding of transgender-related terms, including lesbian, gay, bisexual, and transgender (LGBT) and of the IOC Consensus Meeting on Sex Reassignment and Hyperandrogenism in 2015; 3) their awareness of transgender players; and 4) their experience supporting transgender players. Participants were categorized by age, gender, profession, qualifications, and category of involvement; their understanding and experience were investigated statistically using univariate and multivariate analysis.</p><p><strong>Results: </strong>The 478 respondents included 30 women and 448 men with a mean age of 38 ± 10 years. Of these, 83% understood the term transgender, 75% understood the term LGBT, while only 7% were familiar with the 2015 IOC Consensus Meeting. Physicians reflected more knowledge than coaches and physical trainers (p < 0.01). Altogether, 15% had identified transgender players and 1% had experience supporting them. Respondents with certified licenses who worked with women's teams were more likely to recognize transgender players (p < 0.01). Four participants (1%) had witnessed transgender players receiving transgender hormone therapy.</p><p><strong>Conclusion: </strong>Although most soccer support staff were familiar with transgender terms, many did not have sufficient knowledge of or experience with transgender athletes.</p>","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"244-250"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1911569","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25571448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hayden P Baker, Alexander Satinsky, Cody S Lee, Henry Seidel, Emma Dwyer, Aravind Athiviraham
{"title":"The targeting rule does not increase the rate of lower extremity injuries in NFL players over two seasons.","authors":"Hayden P Baker, Alexander Satinsky, Cody S Lee, Henry Seidel, Emma Dwyer, Aravind Athiviraham","doi":"10.1080/00913847.2021.1910873","DOIUrl":"https://doi.org/10.1080/00913847.2021.1910873","url":null,"abstract":"<p><strong>Objectives: </strong>In 2018 the NFL instituted playing rule article 8, which aimed to help decrease sport related concussion (SRC) by broadening the helmet-hit rule, making it a foul when a player lowers his head to make contact with his helmet against an opponent. Previous studies have demonstrated that the rate of lower extremity injuries increased following the institution of the targeting rule in NCAA football. The objective of this study was to determine if playing rule article 8 unintentionally led to a significant increase in the rate of lower extremity injuries sustained by NFL players during regular season games.</p><p><strong>Methods: </strong>This study was a retrospective review of all NFL players who were placed on the publically available injury reports for a lower extremity injury from the 2016-2017 through 2019-2020 regular seasons. With article 8 taking effect starting with the 2018-2019 season, players were assigned to a pre- or post-rule cohort based on date of injury for purposes of injury rate comparison. Injury rates were calculated per 1000 athletic exposures (AE). Incidence rate ratio (RR) with 95% confidence intervals (CI) compared injury rates between the two cohorts.</p><p><strong>Results: </strong>There was a 3% decrease in the lower extremity injury rate in 2018-2019 to 2019-2020 compared with 2016-2017 to 2017-2018, however this was not statistically significant (33.6 versus 34.3/1000 AEs, respectively; RR, 0.97; 95% CI 0.92-1.04). There was a 40% decrease in the SRC rate when comparing the post- to the pre-article-8 cohort (3.3 vs. 5.5/1000 AEs, respectively; RR 0.60; 95% CI 0.50-0.73).</p><p><strong>Conclusions: </strong>The rate of lower extremity injuries and players placed on the injury reserve over the past two NFL seasons following the enactment of playing rule article 8 has not significantly increased. However, the average games missed due to lower extremity injuries significantly increased under playing rule article 8, which suggests that the severity of lower extremity injuries possibly increased.</p><p><strong>Level of evidence: </strong>IV Diagnostic.</p>","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"239-243"},"PeriodicalIF":2.3,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/00913847.2021.1910873","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25531617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Patrick McGlone, Lambert Li, Steven L Bokshan, Ryan O'Donnell, Brett Owens
{"title":"Letter response.","authors":"Patrick McGlone, Lambert Li, Steven L Bokshan, Ryan O'Donnell, Brett Owens","doi":"10.1080/00913847.2021.1888631","DOIUrl":"10.1080/00913847.2021.1888631","url":null,"abstract":"","PeriodicalId":517412,"journal":{"name":"The Physician and Sportsmedicine","volume":" ","pages":"185"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25373418","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}